APA استشهاد

Chhatwal, G., & Phull, D. Carreer's objective type chemistry (8th rev. ed.). Bright Careers Institute.

استشهاد بنمط شيكاغو

Chhatwal, G.R, و D.S Phull. Carreer's Objective Type Chemistry. 8th rev. ed. Delhi: Bright Careers Institute.

MLA استشهاد

Chhatwal, G.R, و D.S Phull. Carreer's Objective Type Chemistry. 8th rev. ed. Bright Careers Institute.