Escalada, L. T., & Zollman, D. A. (1997). An investigation on the effects of using interactive digital video in a physics classroom on.. Journal of Research in Science Teaching, 34(5), 467. https://doi.org/10.1002/(SICI)1098-2736(199705)34:5<467::AID-TEA4>3.0.CO;2-O
Παραπομπή σε μορφή Chicago (17η εκδ.)Escalada, Lawrence T., και Dean A. Zollman. "An Investigation on the Effects of Using Interactive Digital Video in a Physics Classroom on.." Journal of Research in Science Teaching 34, no. 5 (1997): 467. https://doi.org/10.1002/(SICI)1098-2736(199705)34:5<467::AID-TEA4>3.0.CO;2-O.
Παραπομπή σε μορφή MLA (9th εκδ.)Escalada, Lawrence T., και Dean A. Zollman. "An Investigation on the Effects of Using Interactive Digital Video in a Physics Classroom on.." Journal of Research in Science Teaching, vol. 34, no. 5, 1997, p. 467, https://doi.org/10.1002/(SICI)1098-2736(199705)34:5<467::AID-TEA4>3.0.CO;2-O.