Παραπομπή APA

Wirtz, W. W. (1967). Labour and the public interest. University Book Stall.

Παραπομπή Chicago Style

Wirtz, Willard W. Labour and the Public Interest. Delhi: University Book Stall, 1967.

Παραπομπή MLA

Wirtz, Willard W. Labour and the Public Interest. University Book Stall, 1967.