Παραπομπή APA

Robertson, N., & Thomas, J. (1968). Trade unions and industrial relations. Business books.

Παραπομπή Chicago Style

Robertson, N., και J.L Thomas. Trade Unions and Industrial Relations. London: Business books, 1968.

Παραπομπή MLA

Robertson, N., και J.L Thomas. Trade Unions and Industrial Relations. Business books, 1968.