APA (7e ed.) Bronvermelding

Tull, D. S. A. (1988). Research for Marketing Decisions Green, Paul E. International Book House Pvt. Ltd.

Chicago (17e ed.) Bronvermelding

Tull, Donalds S; Albaum. Research for Marketing Decisions Green, Paul E. New Delhi: International Book House Pvt. Ltd, 1988.

MLA (9e ed.) Bronvermelding

Tull, Donalds S; Albaum. Research for Marketing Decisions Green, Paul E. International Book House Pvt. Ltd, 1988.