APA استشهاد

Hawkins, C. S. (1985). Research: How to plan, speak and write about it.

استشهاد بنمط شيكاغو

Hawkins, Clifford; Sorgi. Research: How to Plan, Speak and Write About It. Narosa Publishing House, New Delhi, 1985.

MLA استشهاد

Hawkins, Clifford; Sorgi. Research: How to Plan, Speak and Write About It. 1985.