(1977). A framework for land evaluation. ILRI.
Chicago Style (17th ed.) CitationA Framework for Land Evaluation. Wageningen: ILRI, 1977.
MLA引文A Framework for Land Evaluation. ILRI, 1977.
警告：這些引文格式不一定是100％准確.
APA引文
(1977). A framework for land evaluation. ILRI.
Chicago Style (17th ed.) CitationA Framework for Land Evaluation. Wageningen: ILRI, 1977.
MLA引文A Framework for Land Evaluation. ILRI, 1977.