Gaya APA

WONNACOTT, R, J., WONNACOTT, T, H. (1985). Introductory Statistics. (4). New York: John Wiley.

Gaya MLA

WONNACOTT, Ronald, J.., WONNACOTT, Thomas, H. "Introductory Statistics.". 4 New York: John Wiley, 1985. Text.