एपीए उद्धरण

Layard, R. (1994). Cost-benefit analysis (2nd ed.). Cambridge University Press.

शिकागो स्टाइल उद्धरण

Layard, Richard. Cost-benefit Analysis. 2nd ed. Cambridge: Cambridge University Press, 1994.

एमएलए उद्धरण

Layard, Richard. Cost-benefit Analysis. 2nd ed. Cambridge University Press, 1994.