Gaya APA

Loether, H, J. (1980). Descriptive and inferential statistics: an introduction / Herman J. Loether, Donal G. McTavish . : Allyn and Bacon.

Gaya MLA

Loether, Herman, J.. "Descriptive and inferential statistics: an introduction / Herman J. Loether, Donal G. McTavish". : Allyn and Bacon, 1980. Referensi.