Gaya APA

Lapin, L, L. (1990). Statistics for modern business decisions 5th (5th ed.). Orlando, FL: Harcourt Brace Jovanovich, c.

Gaya MLA

Lapin, Lawrence, L.. "Statistics for modern business decisions 5th". 5th ed. Orlando, FL: Harcourt Brace Jovanovich, c, 1990. Buku Wajib.