Sillanpaa, M. (1972). TRACE ELEMENTS IN SOILS AND AGRICULTURE. FAO-UNO.
Chicago Style (17th ed.) CitationSillanpaa, Mikko. TRACE ELEMENTS IN SOILS AND AGRICULTURE. FAO-UNO, 1972.
MLA (8th ed.) CitationSillanpaa, Mikko. TRACE ELEMENTS IN SOILS AND AGRICULTURE. FAO-UNO, 1972.
Warning: These citations may not always be 100% accurate.