Não informado. (1965). Columbia Journal of World Business. Columbia Graduate School of Business.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Columbia Journal of World Business. New York: Columbia Graduate School of Business, 1965.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Columbia Journal of World Business. Columbia Graduate School of Business, 1965.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.