Gaya APA

Boardman, A, E., Greenberg, D, H. (2006). Cost-benefit analysis: concepts and practice (ed. 3). New Jersey: Prentice Hall.

Gaya MLA

Boardman, Anthony, E., Greenberg, David, H. "Cost-benefit analysis: concepts and practice". ed. 3 New Jersey: Prentice Hall, 2006. Text.