Trích dẫn APA

(1989). Nutrient management for food crop production in tropical farming systems. Haren, The Netherlands: Institute for Soil Fertility.

Trích dẫn kiểu Chicago

Nutrient Management for Food Crop Production in Tropical Farming Systems. Haren, The Netherlands: Institute for Soil Fertility, 1989.

Trích dẫn MLA

Nutrient Management for Food Crop Production in Tropical Farming Systems. Haren, The Netherlands: Institute for Soil Fertility, 1989.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.