Παραπομπή σε μορφή APA (7η εκδ.)

Ritchie, J. A. (1950). Teaching better nutrition: A study of approachs and techniques. Food and Agriculture Organization of the United Nations.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ritchie, Jean A. Teaching Better Nutrition: A Study of Approachs and Techniques. Washington: Food and Agriculture Organization of the United Nations, 1950.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ritchie, Jean A. Teaching Better Nutrition: A Study of Approachs and Techniques. Food and Agriculture Organization of the United Nations, 1950.