Citazione Stile APA (7a Edizione)

Open University. (1975). Production and allocation. Open University Press.

Citazione stile Chigago Style (17a edizione)

Open University. Production and Allocation. Milton Keynes: Open University Press, 1975.

Citatione MLA (8a ed.)

Open University. Production and Allocation. Open University Press, 1975.