Παραπομπή APA

Samuels, H. (1959). Trade unions law (6th ed.). Stevens and sons.

Παραπομπή Chicago Style

Samuels, Harry. Trade Unions Law. 6th ed. London: Stevens and sons, 1959.

Παραπομπή MLA

Samuels, Harry. Trade Unions Law. 6th ed. Stevens and sons, 1959.