Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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