APA引文
Keen, M., & Strand, J. (2006). Indirect taxes on international aviation. International Monetary Fund.
Chicago Style (17th ed.) Citation
Keen, Michael, and Jon Strand. Indirect Taxes on International Aviation. [Washington, D.C.?]: International Monetary Fund, 2006.
MLA引文
Keen, Michael, and Jon Strand. Indirect Taxes on International Aviation. International Monetary Fund, 2006.
警告:這些引文格式不一定是100%准確.