KEELER LEN. (1995). CYBER MARKETING. AMACOM.
Chicago Style aipamenaKEELER LEN. CYBER MARKETING. NEW YORK: AMACOM, 1995.
MLA aipamenaKEELER LEN. CYBER MARKETING. AMACOM, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
KEELER LEN. (1995). CYBER MARKETING. AMACOM.
Chicago Style aipamenaKEELER LEN. CYBER MARKETING. NEW YORK: AMACOM, 1995.
MLA aipamenaKEELER LEN. CYBER MARKETING. AMACOM, 1995.