Gaya APA

P, . et al (1977). A Textbook of chemical technology vol. 1. (Inorganic) (1977). : New Delhi : Vikas Publishing House PVT Ltd.,.

Gaya MLA

P, . et al. "A Textbook of chemical technology vol. 1. (Inorganic)". 1977 : New Delhi : Vikas Publishing House PVT Ltd.,, 1977. Text.