APA aipamena

Donaldson, P. (1973). Economics of the real world. London: British Broadcasting Corporation and Penguin Books.

Chicago Style aipamena

Donaldson, Peter. Economics of the Real World. London: British Broadcasting Corporation and Penguin Books, 1973.

MLA aipamena

Donaldson, Peter. Economics of the Real World. London: British Broadcasting Corporation and Penguin Books, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.