Παραπομπή σε μορφή APA (7η εκδ.)

Swanson, B. E., Bentz, R. P., & Sofranko, A. J. (1997). Improving agricultural extension: A reference manual. Food and agriculture organization of the United Nations.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Swanson, Burton E., Robert P. Bentz, και Andrew J. Sofranko. Improving Agricultural Extension: A Reference Manual. Rome: Food and agriculture organization of the United Nations, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Swanson, Burton E., et al. Improving Agricultural Extension: A Reference Manual. Food and agriculture organization of the United Nations, 1997.