APA (7e ed.) Bronvermelding

Adler, R. B., & Proctor, R. F. (2010). Looking out, looking in (13th enhanced ed.). Cengage Learning.

Chicago (17e ed.) Bronvermelding

Adler, Ronald Brian, en Russell F. Proctor. Looking Out, Looking in. 13th enhanced ed. Australia: Cengage Learning, 2010.

MLA (9e ed.) Bronvermelding

Adler, Ronald Brian, en Russell F. Proctor. Looking Out, Looking in. 13th enhanced ed. Cengage Learning, 2010.