Παραπομπή σε μορφή APA (7η εκδ.)

Donald, D. G. M. (1965). A study of the history, practice and economics of forest nurseries in South Africa. [University of Stellenbosch].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Donald, D. G. M. A Study of the History, Practice and Economics of Forest Nurseries in South Africa. Stellenbosch: [University of Stellenbosch], 1965.

Παραπομπή σε μορφή MLA (8th εκδ.)

Donald, D. G. M. A Study of the History, Practice and Economics of Forest Nurseries in South Africa. [University of Stellenbosch], 1965.