Cita APA (7th ed.)

Walpole, R. E. (1982). Introduciton to statistics (3rd ed.). Pearson Education.

Cita Chicago (17th ed.)

Walpole, Ronald E. Introduciton to Statistics. 3rd ed. Jurong, Singapore: Pearson Education, 1982.

Cita MLA (9th ed.)

Walpole, Ronald E. Introduciton to Statistics. 3rd ed. Pearson Education, 1982.