Cita APA (7a ed.)

Kemp, M. (1991). Labour Unions and the Theory of International Trade. ELSEVIER.

Cita Chicago Style (17a ed.)

Kemp, M.C. Labour Unions and the Theory of International Trade. ELSEVIER, 1991.

Cita MLA (8a ed.)

Kemp, M.C. Labour Unions and the Theory of International Trade. ELSEVIER, 1991.