Helpman, E. (2004). The mystery of economic growth. Belknap Press of Harvard University Press.
芝加哥风格引文Helpman, Elhanan. The Mystery of Economic Growth. Cambridge, Mass.: Belknap Press of Harvard University Press, 2004.
MLA引文Helpman, Elhanan. The Mystery of Economic Growth. Belknap Press of Harvard University Press, 2004.
警告：这些引文格式不一定是100％准确.