APA Citatie

Elaine Walker. (1998). Grammar practice for upper intermediate students. Harlow, Eng: Pearson.

Chicago Style citaat

Elaine Walker. Grammar Practice for Upper Intermediate Students. Harlow, Eng: Pearson, 1998.

MLA citatie

Elaine Walker. Grammar Practice for Upper Intermediate Students. Harlow, Eng: Pearson, 1998.

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