Cita APA (7th ed.)

Sullivan, W. G. (1977). Fundamentals of forecasting. Reston Publishing Company, Inc.; A Prentice-Hall Company.

Cita Chicago (17th ed.)

Sullivan, William G. Fundamentals of Forecasting. Reston, Virginia: Reston Publishing Company, Inc.; A Prentice-Hall Company, 1977.

Cita MLA (9th ed.)

Sullivan, William G. Fundamentals of Forecasting. Reston Publishing Company, Inc.; A Prentice-Hall Company, 1977.