Cita APA

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

Chicago Edition Citation

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

Cita MLA

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