APA引文

XAVIER, C. (2009). SAP COMPREHENION FAST FORWARD WORKBOOK- 1.

芝加哥风格引文

XAVIER, CHARLES. SAP COMPREHENION FAST FORWARD WORKBOOK- 1. 2009.

MLA引文

XAVIER, CHARLES. SAP COMPREHENION FAST FORWARD WORKBOOK- 1. 2009.

警告：这些引文格式不一定是100％准确.