Walthall, W. A. (1979). Getting into business/2e (2nd ed.). Harper & Row.
Chicago Edition CitationWalthall, Wylie A. Getting into Business/2e. 2nd ed. London: Harper & Row, 1979.
Cita MLAWalthall, Wylie A. Getting into Business/2e. 2nd ed. Harper & Row, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.