Gaya APA

Walpole, R, E. (1988, 1995). Pengantar Statistika [Introduction to Statistics Bhs..Indonesia] (3rd ed.). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Walpole, Ronald, E.. "Pengantar Statistika [Introduction to Statistics Bhs..Indonesia]". 3rd ed. Jakarta: Gramedia Pustaka Utama, 1988, 1995. Text.