Gaya APA

Verma, P, S. (2002). A manual of practical zoology invertebrates (Cet.1). New Delhi: S.Chand \\n Company LTD..

Gaya MLA

Verma, P., S.. "A manual of practical zoology invertebrates". Cet.1 New Delhi: S.Chand \\n Company LTD., 2002. Text.