Παραπομπή APA

Walthall, W. A. (1975). Getting into Buisness. Canfield press.

Παραπομπή Chicago Style

Walthall, Wylie A. Getting into Buisness. Sanfranciso: Canfield press, 1975.

Παραπομπή MLA

Walthall, Wylie A. Getting into Buisness. Canfield press, 1975.