Style de citation APA

Gairns, R. (2003). Natural English: Upper-Intermediate. Puzzle Book. Oxford: Oxford Univ. Press.

Style de citation Chicago

Gairns, Ruth. Natural English: Upper-Intermediate. Puzzle Book. Oxford: Oxford Univ. Press, 2003.

Style de citation MLA

Gairns, Ruth. Natural English: Upper-Intermediate. Puzzle Book. Oxford: Oxford Univ. Press, 2003.

Attention : ces citations peuvent ne pas être correctes à 100%.