APA citiranje

Geus, J. G. D. (1967). Fertilizer guide for tropical and subtropical farming. Zurich: Centre D'Etude De L'Azote.

Trích dẫn kiểu Chicago

Geus, J. G. De. Fertilizer Guide for Tropical and Subtropical Farming. Zurich: Centre D'Etude De L'Azote, 1967.

MLA citiranje

Geus, J. G. De. Fertilizer Guide for Tropical and Subtropical Farming. Zurich: Centre D'Etude De L'Azote, 1967.

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