Dyfyniad APA

Helpman, E. (2004). The mystery of economic growth. Belknap Press of Harvard University Press.

Dyfyniad Arddull Chicago

Helpman, Elhanan. The Mystery of Economic Growth. Cambridge, Mass.: Belknap Press of Harvard University Press, 2004.

Dyfyniad MLA

Helpman, Elhanan. The Mystery of Economic Growth. Belknap Press of Harvard University Press, 2004.

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