Clark, C. (1970). The economics of irrigation (2d ed., completely rev. and enl.). Pergamon Press.
Chicago Style (17th ed.) CitationClark, Colin. The Economics of Irrigation. 2d ed., completely rev. and enl. Oxford: Pergamon Press, 1970.
ציטוט MLAClark, Colin. The Economics of Irrigation. 2d ed., completely rev. and enl. Pergamon Press, 1970.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.