Tohutoro APA (7th ed.)

FAO. (1974). Otter board design and performance. Food and Agriculture Organization of the United Nations.

Tohutoru Kātū Chicago (17th ed.)

FAO. Otter Board Design and Performance. Roma: Food and Agriculture Organization of the United Nations, 1974.

Tohutoro MLA (9th ed.)

FAO. Otter Board Design and Performance. Food and Agriculture Organization of the United Nations, 1974.