APA aipamena

Jacob, M. (1974). Dual theory. North-Holland Publishing Company.

Chicago Style aipamena

Jacob, M. Dual Theory. Amsterdam: North-Holland Publishing Company, 1974.

MLA aipamena

Jacob, M. Dual Theory. North-Holland Publishing Company, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.