Παραπομπή APA

Cohen, L., Manion, L., & Morrison, K. (2018). Research methods in education (8th ed.). Routledge.

Παραπομπή Chicago Style

Cohen, Louis, Lawrence Manion, και Keith Morrison. Research Methods in Education. 8th ed. London: Routledge, 2018.

Παραπομπή MLA

Cohen, Louis, et al. Research Methods in Education. 8th ed. Routledge, 2018.