Wollan, R. &. O. (2013). Selling through someone else. John Wiley.
Chicagoスタイル(17版)引用形式Wollan, Robert & Others. Selling Through Someone Else. New Jersey: John Wiley, 2013.
MLA(9版)引用形式Wollan, Robert & Others. Selling Through Someone Else. John Wiley, 2013.
警告: この引用は必ずしも正確ではありません.