GUPTA S S. (2006). SERVICE TAX: HOW TO MEET YOUR OBLIGATIONS (20TH.). TAXMANN.
芝加哥风格引文GUPTA S S. SERVICE TAX: HOW TO MEET YOUR OBLIGATIONS. 20TH. NEW DELHI: TAXMANN, 2006.
MLA引文GUPTA S S. SERVICE TAX: HOW TO MEET YOUR OBLIGATIONS. 20TH. TAXMANN, 2006.
警告：这些引文格式不一定是100％准确.