National Food and Agriculture Council, Philippines (Republic) National Economic Council, United States. Agency for International Development, & Seminar-Workshop on Maximizing the Benefits from Fertilizer Applications for Agricultural Crops (1970 : Quezon City). (1970). Proceedings [of a] Seminar-Workshop on Soils and Fertilizers. NFAC.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Food and Agriculture Council, Philippines (Republic) National Economic Council, United States. Agency for International Development, và Seminar-Workshop on Maximizing the Benefits from Fertilizer Applications for Agricultural Crops (1970 : Quezon City). Proceedings [of a] Seminar-Workshop on Soils and Fertilizers. [Quezon City]: NFAC, 1970.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)National Food and Agriculture Council, et al. Proceedings [of a] Seminar-Workshop on Soils and Fertilizers. NFAC, 1970.