Παραπομπή APA

Cole , G. D. H. (1962). Introduction to trade unionism. George allen and unwin ltd.

Παραπομπή Chicago Style

Cole , G D H. Introduction to Trade Unionism. London: George allen and unwin ltd, 1962.

Παραπομπή MLA

Cole , G D H. Introduction to Trade Unionism. George allen and unwin ltd, 1962.