APA aipamena

Eckstein, O. (1958). Water-resources development: The economics of project evaluation. Harvard University Press.

Chicago Style aipamena

Eckstein, Otto. Water-resources Development: The Economics of Project Evaluation. Cambridge: Harvard University Press, 1958.

MLA aipamena

Eckstein, Otto. Water-resources Development: The Economics of Project Evaluation. Harvard University Press, 1958.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.