APA aipamena

Dunning, J. H. (1972). International investment. London: Penguin Books.

Chicago Style aipamena

Dunning, John H. International Investment. London: Penguin Books, 1972.

MLA aipamena

Dunning, John H. International Investment. London: Penguin Books, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.