Cita APA (7a ed.)

Upham, M. (1991). Trade unions of the world 1992-93 (3rd. ed.). Longman.

Cita Chicago Style (17a ed.)

Upham, Martin. Trade Unions of the World 1992-93. 3rd. ed. London: Longman, 1991.

Cita MLA (9a ed.)

Upham, Martin. Trade Unions of the World 1992-93. 3rd. ed. Longman, 1991.