Chhatwal, G., & Phull, D. Carreer's objective type chemistry (8th rev. ed.). Bright Careers Institute.
Chicago Edition CitationChhatwal, G.R, i D.S Phull. Carreer's Objective Type Chemistry. 8th rev. ed. Delhi: Bright Careers Institute.
Cita MLAChhatwal, G.R, i D.S Phull. Carreer's Objective Type Chemistry. 8th rev. ed. Bright Careers Institute.
Atenció: Aquestes cites poden no estar 100% correctes.