Παραπομπή σε μορφή APA (7η εκδ.)

Astor, J. J. (1924). Is unemployment inevitable?: An analysis and a forecast: a continuation of the investigations embodied in The Third winter of unemployment, pub. in 1923. Macmillan.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Astor, J. J. Is Unemployment Inevitable?: An Analysis and a Forecast: A Continuation of the Investigations Embodied in The Third Winter of Unemployment, Pub. in 1923. Lond.: Macmillan, 1924.

Παραπομπή σε μορφή MLA (8th εκδ.)

Astor, J. J. Is Unemployment Inevitable?: An Analysis and a Forecast: A Continuation of the Investigations Embodied in The Third Winter of Unemployment, Pub. in 1923. Macmillan, 1924.