Παραπομπή APA

Bloom, J. (1970). It's no sin to make aprofit. W.H.Allen.

Παραπομπή Chicago Style

Bloom, John. It's No Sin to Make Aprofit. London: W.H.Allen, 1970.

Παραπομπή MLA

Bloom, John. It's No Sin to Make Aprofit. W.H.Allen, 1970.