Παραπομπή APA

Upton,Martin. (1973). Farm management in Africa: The principles of production and planning. Oxford University Press.

Παραπομπή Chicago Style

Upton,Martin. Farm Management in Africa: The Principles of Production and Planning. Oxford: Oxford University Press, 1973.

Παραπομπή MLA

Upton,Martin. Farm Management in Africa: The Principles of Production and Planning. Oxford University Press, 1973.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.