VAZ G. (2003). STEPS TO GENERAL KNOWLEDGE -7.
芝加哥风格引文VAZ G. STEPS TO GENERAL KNOWLEDGE -7. 2003.
MLA引文VAZ G. STEPS TO GENERAL KNOWLEDGE -7. 2003.
警告：这些引文格式不一定是100％准确.
APA引文
VAZ G. (2003). STEPS TO GENERAL KNOWLEDGE -7.
芝加哥风格引文VAZ G. STEPS TO GENERAL KNOWLEDGE -7. 2003.
MLA引文VAZ G. STEPS TO GENERAL KNOWLEDGE -7. 2003.