APA-viite (7. p.)

Beins, B. C. (2019). Research Methods (4th.). Cambridge University Press.

Chicago-viite (17. p.)

Beins, Bernard C. Research Methods. 4th. Cambridge: Cambridge University Press, 2019.

MLA-viite (9. p.)

Beins, Bernard C. Research Methods. 4th. Cambridge University Press, 2019.