APA aipamena

Murray, T. (1977). Trade preferences for developing countries. London: The Macmillan.

Chicago Style aipamena

Murray, Tracy. Trade Preferences for Developing Countries. London: The Macmillan, 1977.

MLA aipamena

Murray, Tracy. Trade Preferences for Developing Countries. London: The Macmillan, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.