APA Citatie

Keller, D. P. (1987). Interactions I: A speaking activities book. United States: Macmillan Pub Co.

Chicago Style citaat

Keller, Deborah Poole. Interactions I: A Speaking Activities Book. United States: Macmillan Pub Co, 1987.

MLA citatie

Keller, Deborah Poole. Interactions I: A Speaking Activities Book. United States: Macmillan Pub Co, 1987.

Let op: Deze citaties zijn niet altijd 100% accuraat.