Cita APA (7th ed.)

Yoffie David B. Ipod vs. Cell Phone: Amobile Music Revolution ? Harvard Business.

Cita Chicago (17th ed.)

Yoffie David B. Ipod Vs. Cell Phone: Amobile Music Revolution ? : Harvard Business.

Cita MLA (9th ed.)

Yoffie David B. Ipod Vs. Cell Phone: Amobile Music Revolution ? Harvard Business.