Aiyar, S., & Voigts, S. (2019). The Negative Mean Output Gap. International Monetary Fund.
芝加哥风格引文Aiyar, Shekhar, 与 Simon Voigts. The Negative Mean Output Gap. Washington, D.C.: International Monetary Fund, 2019.
MLA引文Aiyar, Shekhar, 与 Simon Voigts. The Negative Mean Output Gap. International Monetary Fund, 2019.
警告：这些引文格式不一定是100％准确.