Gaya APA

Lind, D, A. et al (2008). STATISTICAL TECHNIQUES IN BUSINESS & ECONOMICS (THIRTEENTH EDITION). AMERIKA SERIKAT: MC GRAW HILL.

Gaya MLA

Lind, Douglas, A.. et al. "STATISTICAL TECHNIQUES IN BUSINESS & ECONOMICS". THIRTEENTH EDITION AMERIKA SERIKAT: MC GRAW HILL, 2008. Text.