APA استشهاد

Lal, S. (1993). Textbook of practical zoology verteberate (7th ed.). Rastogi Publications.

استشهاد بنمط شيكاغو

Lal, Ss. Textbook of Practical Zoology Verteberate. 7th ed. Meerut: Rastogi Publications, 1993.

MLA استشهاد

Lal, Ss. Textbook of Practical Zoology Verteberate. 7th ed. Rastogi Publications, 1993.