एपीए उद्धरण

Petts, J. (1999). Handbook of environmental impact assessment. Blackwell Science.

शिकागो स्टाइल उद्धरण

Petts, Judith. Handbook of Environmental Impact Assessment. Oxford: Blackwell Science, 1999.

एमएलए उद्धरण

Petts, Judith. Handbook of Environmental Impact Assessment. Blackwell Science, 1999.