Παραπομπή APA

Durbin,E F M. (1949). Problems of economic planning: Papers on planning and economics. Routledge and Kegan Paul Ltd.

Παραπομπή Chicago Style

Durbin,E F M. Problems of Economic Planning: Papers on Planning and Economics. London: Routledge and Kegan Paul Ltd, 1949.

Παραπομπή MLA

Durbin,E F M. Problems of Economic Planning: Papers on Planning and Economics. Routledge and Kegan Paul Ltd, 1949.