CHAPMAN ELWOOD N. (2004). YOUR FIRST THIRTY DAYS. VIVA BOOKS PVT.LTD.
芝加哥风格引文CHAPMAN ELWOOD N. YOUR FIRST THIRTY DAYS. NEW DELHI: VIVA BOOKS PVT.LTD, 2004.
MLA引文CHAPMAN ELWOOD N. YOUR FIRST THIRTY DAYS. VIVA BOOKS PVT.LTD, 2004.
警告：这些引文格式不一定是100％准确.