Cita APA (7a ed.)

Coggins, J. (1989). Trade unions of the world 1989-1990 (2nd ed.). Longman.

Cita Chicago Style (17a ed.)

Coggins, John. Trade Unions of the World 1989-1990. 2nd ed. Harlow: Longman, 1989.

Cita MLA (9a ed.)

Coggins, John. Trade Unions of the World 1989-1990. 2nd ed. Longman, 1989.