APA aipamena

Hepple, B., & O' Higgins, P. (1972). Encyclopedia of labour relations law. Sweet & Maxwell.

Chicago Style aipamena

Hepple, B.A, and Paul O' Higgins. Encyclopedia of Labour Relations Law. London: Sweet & Maxwell, 1972.

MLA aipamena

Hepple, B.A, and Paul O' Higgins. Encyclopedia of Labour Relations Law. Sweet & Maxwell, 1972.