APA aipamena

Hawkins, K. (1981). Trade unions. Hutchinson.

Chicago Style aipamena

Hawkins, Kevin. Trade Unions. London: Hutchinson, 1981.

MLA aipamena

Hawkins, Kevin. Trade Unions. Hutchinson, 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.