Παραπομπή APA

Walthall, W. A. (1979). Getting into business/2e (2nd ed.). Harper & Row.

Παραπομπή Chicago Style

Walthall, Wylie A. Getting into Business/2e. 2nd ed. London: Harper & Row, 1979.

Παραπομπή MLA

Walthall, Wylie A. Getting into Business/2e. 2nd ed. Harper & Row, 1979.