Não informado. (2003). Journal of professional services marketing. Haworth Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Professional Services Marketing. New York: Haworth Press, 2003.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Professional Services Marketing. Haworth Press, 2003.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.