Gaya APA

P, . et al (1979). A Textbook of chemical technology vol. 2. (organic) (1979). : New Delhi : Vikas Publishing House PVT Ltd.,.

Gaya MLA

P, . et al. "A Textbook of chemical technology vol. 2. (organic)". 1979 : New Delhi : Vikas Publishing House PVT Ltd.,, 1979. Text.