APA (7e ed.) Bronvermelding

SULLIVAN, W. G. (1977). Fundamentals Of Forecasting William G. Sullivan And Wayne Claycombe. Reston Publishing Company.

Chicago (17e ed.) Bronvermelding

SULLIVAN, William G. Fundamentals Of Forecasting William G. Sullivan And Wayne Claycombe. Reston Publishing Company, 1977.

MLA (8e ed.) Bronvermelding

SULLIVAN, William G. Fundamentals Of Forecasting William G. Sullivan And Wayne Claycombe. Reston Publishing Company, 1977.

Let op: Deze citaties zijn niet altijd 100% accuraat.