एपीए उद्धरण

Ngozi, P. H. (2013). Environmental toxicology. Random Exports.

शिकागो स्टाइल उद्धरण

Ngozi, Patrick H. Environmental Toxicology. New Delhi: Random Exports, 2013.

एमएलए उद्धरण

Ngozi, Patrick H. Environmental Toxicology. Random Exports, 2013.