Gaya APA

Downie, N., A.R, I, S. (1977). Descriptive and inferential statistic . New York: New York: Harper & Row; 1977.

Gaya MLA

Downie, N.M., A.R, I., Starry,. "Descriptive and inferential statistic". New York: New York: Harper & Row; 1977, 1977. Text.