APA استشهاد

Wren, P. C. (1989). High school grammar and composition. S. Chand.

استشهاد بنمط شيكاغو

Wren, P. C. High School Grammar and Composition. New Delhi: S. Chand, 1989.

MLA استشهاد

Wren, P. C. High School Grammar and Composition. S. Chand, 1989.