APA aipamena

Steve, C., & Patrick, M. (2020). Research Methods, 3rd edition. Routledge.

Chicago Style aipamena

Steve, Chapman, và McNeill Patrick. Research Methods, 3rd Edition. Routledge, 2020.

MLA aipamena

Steve, Chapman, và McNeill Patrick. Research Methods, 3rd Edition. Routledge, 2020.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.