Gaya APA

Anderson, R, A., Kumpf, W, A. (1975). Business Law : Principles An Cases (sixth . ed). Sebastopol, CA: South Western Publishing Co..

Gaya MLA

Anderson, Ronald, A.., Kumpf, Walter, A. "Business Law : Principles An Cases". sixth . ed Sebastopol, CA: South Western Publishing Co., 1975. Text.