APA aipamena

Herman, B. (1975). The optimal international division of labour. Geneva: International Labour Office.

Chicago Style aipamena

Herman, Bohuslav. The Optimal International Division of Labour. Geneva: International Labour Office, 1975.

MLA aipamena

Herman, Bohuslav. The Optimal International Division of Labour. Geneva: International Labour Office, 1975.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.