APA citiranje

FAO. (1919). FAO conservation guide N.20: Arid zone forestry: a guide for field technicians. Rome: FAO.

Trích dẫn kiểu Chicago

FAO. FAO Conservation Guide N.20: Arid Zone Forestry: A Guide for Field Technicians. Rome: FAO, 1919.

MLA citiranje

FAO. FAO Conservation Guide N.20: Arid Zone Forestry: A Guide for Field Technicians. Rome: FAO, 1919.

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