McKagan, Sarah B., Strubbe, Linda E., Barbato, Lyle J., Mason, Bruce A., Madsen, Adrian M., and Sayre, Eleanor C. PhysPort Use and Growth: Supporting Physics Teaching with Research-based Resources Since 2011. Retrieved from https://par.nsf.gov/biblio/10279301. The Physics Teacher 58.7 Web. doi:10.1119/10.0002062.

McKagan, Sarah B., Strubbe, Linda E., Barbato, Lyle J., Mason, Bruce A., Madsen, Adrian M., & Sayre, Eleanor C. PhysPort Use and Growth: Supporting Physics Teaching with Research-based Resources Since 2011. The Physics Teacher, 58 (7). Retrieved from https://par.nsf.gov/biblio/10279301. https://doi.org/10.1119/10.0002062

McKagan, Sarah B., Strubbe, Linda E., Barbato, Lyle J., Mason, Bruce A., Madsen, Adrian M., and Sayre, Eleanor C. "PhysPort Use and Growth: Supporting Physics Teaching with Research-based Resources Since 2011". The Physics Teacher 58 (7). Country unknown/Code not available. https://doi.org/10.1119/10.0002062. https://par.nsf.gov/biblio/10279301.

@article{osti_10279301,
place = {Country unknown/Code not available}, title = {PhysPort Use and Growth: Supporting Physics Teaching with Research-based Resources Since 2011}, url = {https://par.nsf.gov/biblio/10279301}, DOI = {10.1119/10.0002062}, abstractNote = {}, journal = {The Physics Teacher}, volume = {58}, number = {7}, author = {McKagan, Sarah B. and Strubbe, Linda E. and Barbato, Lyle J. and Mason, Bruce A. and Madsen, Adrian M. and Sayre, Eleanor C.}, editor = {null} }