Yoffie David B. Ipod vs. Cell Phone: Amobile Music Revolution ? Harvard Business.
Čikaški stil citiranja (17. izdanje)Yoffie David B. Ipod Vs. Cell Phone: Amobile Music Revolution ? : Harvard Business.
MLA način citiranja (9. izdanje)Yoffie David B. Ipod Vs. Cell Phone: Amobile Music Revolution ? Harvard Business.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.