Dyfyniad APA

(1970). Tropical development, 1880-1913: Studies in economic progress. London: Allen & Unwin.

Dyfyniad Arddull Chicago

Tropical Development, 1880-1913: Studies in Economic Progress. London: Allen & Unwin, 1970.

Dyfyniad MLA

Tropical Development, 1880-1913: Studies in Economic Progress. London: Allen & Unwin, 1970.

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