Cita APA (7th ed.)

Ott, R. L. (1993). An introduction to statistical methods and data analysis (4a. ed.). Duxbury Press.

Cita Chicago (17th ed.)

Ott, R. Lyman. An Introduction to Statistical Methods and Data Analysis. 4a. ed. Belmont: Duxbury Press, 1993.

Cita MLA (9th ed.)

Ott, R. Lyman. An Introduction to Statistical Methods and Data Analysis. 4a. ed. Duxbury Press, 1993.