APA استشهاد

Rashid, A. (1976). An iIntroduction to pteridophyta: Diversity and differentiation. Vikas.

استشهاد بنمط شيكاغو

Rashid, A. An IIntroduction to Pteridophyta: Diversity and Differentiation. New Delhi: Vikas, 1976.

MLA استشهاد

Rashid, A. An IIntroduction to Pteridophyta: Diversity and Differentiation. Vikas, 1976.