Παραπομπή σε μορφή APA (7η εκδ.)

International Potash Institute. Colloquium. (1979). Soils in Mediterranean type climates and their yield potential: Proceedings of the 14th colloquium of the International Potash Institute held in Sevilla. Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

International Potash Institute. Colloquium. Soils in Mediterranean Type Climates and Their Yield Potential: Proceedings of the 14th Colloquium of the International Potash Institute Held in Sevilla. Worblaufen: Institute, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

International Potash Institute. Colloquium. Soils in Mediterranean Type Climates and Their Yield Potential: Proceedings of the 14th Colloquium of the International Potash Institute Held in Sevilla. Institute, 1979.