Dyfyniad APA

Lewis,W Arthur. (1978). Growth and fluctuations 1870-1913. George Allen and Unwin.

Dyfyniad Arddull Chicago

Lewis,W Arthur. Growth and Fluctuations 1870-1913. London: George Allen and Unwin, 1978.

Dyfyniad MLA

Lewis,W Arthur. Growth and Fluctuations 1870-1913. George Allen and Unwin, 1978.

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