एपीए उद्धरण

Johansson, P. (1994). The Economic theory and measurement of environmental benefits. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Johansson, Per-Olov. The Economic Theory and Measurement of Environmental Benefits. Cambridge: Cambridge University Press, 1994.

एमएलए उद्धरण

Johansson, Per-Olov. The Economic Theory and Measurement of Environmental Benefits. Cambridge University Press, 1994.