Gaya APA

Bowerman, B, L. et al (1997). Business Statistics in Practice Sixth Edition : This INternational Student Edition is for use outside of the U.S. (6th ed). New York: McGraw-Hill Irwin.

Gaya MLA

Bowerman, Bruce, L.. et al. "Business Statistics in Practice Sixth Edition : This INternational Student Edition is for use outside of the U.S.". 6th ed New York: McGraw-Hill Irwin, 1997. Text.