(1977). A framework for land evaluation. ILRI.
芝加哥风格引文A Framework for Land Evaluation. Wageningen: ILRI, 1977.
MLA引文A Framework for Land Evaluation. ILRI, 1977.
警告:这些引文格式不一定是100%准确.
(1977). A framework for land evaluation. ILRI.
芝加哥风格引文A Framework for Land Evaluation. Wageningen: ILRI, 1977.
MLA引文A Framework for Land Evaluation. ILRI, 1977.