APA aipamena

SACK, S. M., & STEINBERG, H. J. (1981). The salesperson's legal guide. Prentice-Hall.

Chicago Style aipamena

SACK, Steven Mitchell, and Howard Jay STEINBERG. The Salesperson's Legal Guide. New Jersey: Prentice-Hall, 1981.

MLA aipamena

SACK, Steven Mitchell, and Howard Jay STEINBERG. The Salesperson's Legal Guide. Prentice-Hall, 1981.