Cita APA (7th ed.)

Makridakis, S., & Winkler, R. L. (1986). ISP: Interactive statistical programs. West.

Cita Chicago (17th ed.)

Makridakis, Spyros, i Robert L. Winkler. ISP: Interactive Statistical Programs. St. Paul, Minn: West, 1986.

Cita MLA (9th ed.)

Makridakis, Spyros, i Robert L. Winkler. ISP: Interactive Statistical Programs. West, 1986.