SACK, S. M., & STEINBERG, H. J. (1981). The salesperson's legal guide. Prentice-Hall.
Chicagoスタイル(17版)引用形式SACK, Steven Mitchell, , Howard Jay STEINBERG. The Salesperson's Legal Guide. New Jersey: Prentice-Hall, 1981.
MLA(9版)引用形式SACK, Steven Mitchell, , Howard Jay STEINBERG. The Salesperson's Legal Guide. Prentice-Hall, 1981.
警告: この引用は必ずしも正確ではありません.