Gaya APA

Daniel, W, W., Terrell, J, C. (1986). Business statistics : basic concepts and methodology (4th ed). Boston: Houghton Mifflin.

Gaya MLA

Daniel, Wayne, W.., Terrell, James, C.. "Business statistics : basic concepts and methodology". 4th ed Boston: Houghton Mifflin, 1986. Text.