Não informado. (1995). Electronic business today. Cahners Publishing.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Electronic Business Today. Highlands Ranch, Colo: Cahners Publishing, 1995.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Electronic Business Today. Cahners Publishing, 1995.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.