Παραπομπή APA

Humphreys, B. (1958). Clerical unions in the civil service. Blackwell & Mott.

Παραπομπή Chicago Style

Humphreys, B.V. Clerical Unions in the Civil Service. Great Britain: Blackwell & Mott, 1958.

Παραπομπή MLA

Humphreys, B.V. Clerical Unions in the Civil Service. Blackwell & Mott, 1958.