Gaya APA

Downie, N, M., Starry, A. (1977). Descriptive And Inferential Statistics . NEW YORK: Harpe &Row Pulisers.

Gaya MLA

Downie, N., M.., Starry, A.R. "Descriptive And Inferential Statistics". NEW YORK: Harpe &Row Pulisers, 1977. Text.