एपीए उद्धरण

Vermani, O. P., & Narula, A. K. (1989). Applied Chemistry: Theory and practice. Wiley Eastern Ltd.

शिकागो स्टाइल उद्धरण

Vermani, O P., और A K. Narula. Applied Chemistry: Theory and Practice. N.Delhi: Wiley Eastern Ltd, 1989.

एमएलए उद्धरण

Vermani, O P., और A K. Narula. Applied Chemistry: Theory and Practice. Wiley Eastern Ltd, 1989.