Dyfyniad APA

Gould, J. D. (1972). Economic growth in history: Survey and analysis. Methuen.

Dyfyniad Arddull Chicago

Gould, J. D. Economic Growth in History: Survey and Analysis. London: Methuen, 1972.

Dyfyniad MLA

Gould, J. D. Economic Growth in History: Survey and Analysis. Methuen, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.