Παραπομπή APA

Cohen,Louis, & Manion,Lawrence. (2000). Research methods in education (5.). Routledge.

Παραπομπή Chicago Style

Cohen,Louis, και Manion,Lawrence. Research Methods in Education. 5. London: Routledge, 2000.

Παραπομπή MLA

Cohen,Louis, και Manion,Lawrence. Research Methods in Education. 5. Routledge, 2000.