Não informado. (1970). Extension Bulletin. Asian and Pacific Council, Food and Fertilizer Technology Center.
Citace podle Chicago (17th ed.)Não informado. Extension Bulletin. Taipei: Asian and Pacific Council, Food and Fertilizer Technology Center, 1970.
Citace podle MLA (8th ed.)Não informado. Extension Bulletin. Asian and Pacific Council, Food and Fertilizer Technology Center, 1970.
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