Παραπομπή σε μορφή APA (7η εκδ.)

Newbold Paul & Bos Theodore. (1994). Introductory business & economic forecasting (2nd ed.). South-Western.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Newbold Paul και Bos Theodore. Introductory Business & Economic Forecasting. 2nd ed. South-Western, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Newbold Paul και Bos Theodore. Introductory Business & Economic Forecasting. 2nd ed. South-Western, 1994.