Yoffie David B. Ipod vs. Cell Phone: Amobile Music Revolution ? Harvard Business.
芝加哥风格引文Yoffie David B. Ipod Vs. Cell Phone: Amobile Music Revolution ? : Harvard Business.
MLA引文Yoffie David B. Ipod Vs. Cell Phone: Amobile Music Revolution ? Harvard Business.
警告：这些引文格式不一定是100％准确.