APA (7th ed.) Zitazioa

JAMES, . L. D. (1971). Economics of water resources planning: By. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

JAMES, L. Douglas. Economics of Water Resources Planning: By. New York: McGraw-Hill, 1971.

MLA (9th ed.) Zitazioa

JAMES, L. Douglas. Economics of Water Resources Planning: By. McGraw-Hill, 1971.