Παραπομπή σε μορφή APA (7η εκδ.)

purdy, d. (1988). social power and the labour market: A radical approach to labour economics. ,Macmillan education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

purdy, david. Social Power and the Labour Market: A Radical Approach to Labour Economics. London: ,Macmillan education, 1988.

Παραπομπή σε μορφή MLA (9th εκδ.)

purdy, david. Social Power and the Labour Market: A Radical Approach to Labour Economics. ,Macmillan education, 1988.