APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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