Choi, J. P. Preannouncing information goods.
芝加哥风格引文Choi, Jay Pil. Preannouncing Information Goods.
MLA引文Choi, Jay Pil. Preannouncing Information Goods.
警告：这些引文格式不一定是100％准确.
APA引文
Choi, J. P. Preannouncing information goods.
芝加哥风格引文Choi, Jay Pil. Preannouncing Information Goods.
MLA引文Choi, Jay Pil. Preannouncing Information Goods.