Παραπομπή APA

Marsh, D. C. (1950). National insurance and assistance in Great Britain. Sir Isaac pitman.

Παραπομπή Chicago Style

Marsh, David C. National Insurance and Assistance in Great Britain. London: Sir Isaac pitman, 1950.

Παραπομπή MLA

Marsh, David C. National Insurance and Assistance in Great Britain. Sir Isaac pitman, 1950.