Παραπομπή σε μορφή APA (7η εκδ.)

Hedlund, H. G. B. (1992). Coffee co-operatives and culture: An anthropological study of a coffee co-operative in Kenya. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hedlund, Hans G. B. Coffee Co-operatives and Culture: An Anthropological Study of a Coffee Co-operative in Kenya. Nairobi: Oxford University Press, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hedlund, Hans G. B. Coffee Co-operatives and Culture: An Anthropological Study of a Coffee Co-operative in Kenya. Oxford University Press, 1992.