APA
Jenks C Wilfred,, . (1957). The international protection of trade union freedom. London: Stevens & Sons Ltd.
Chicago
Jenks C Wilfred,, . 1957. The international protection of trade union freedom. London: Stevens & Sons Ltd.
Harvard
Jenks C Wilfred,, . (1957). The international protection of trade union freedom. London: Stevens & Sons Ltd.
MLA
Jenks C Wilfred,, . The international protection of trade union freedom. London: Stevens & Sons Ltd. 1957.