एपीए उद्धरण

Abrol, I. P., Eswaran, H., Katyal, J. C., & Virmani, S. M. (1994). Stressed ecosystem and sustainable agriculture. Oxford & IBH publishing co. pvt. ltd.

शिकागो स्टाइल उद्धरण

Abrol, I P., H. Eswaran, J C. Katyal, और S M. Virmani. Stressed Ecosystem and Sustainable Agriculture. New Delhi: Oxford & IBH publishing co. pvt. ltd, 1994.

एमएलए उद्धरण

Abrol, I P., et al. Stressed Ecosystem and Sustainable Agriculture. Oxford & IBH publishing co. pvt. ltd, 1994.