Maxwell, J. C. (1989). Be a people person. Victor Books; Magna Publishing Co..
Chicagoスタイル(17版)引用形式Maxwell, John C. Be a People Person. Wheaton, IL ; Mumbai,India: Victor Books; Magna Publishing Co., 1989.
MLA(8版)引用形式Maxwell, John C. Be a People Person. Victor Books; Magna Publishing Co., 1989.
警告: この引用は必ずしも正確ではありません.