Dyfyniad APA

BROWN, G. (1972). Survey Economic Principles Gray Brown. Richard D. Irwin.

Dyfyniad Arddull Chicago

BROWN, Gray. Survey Economic Principles Gray Brown. Richard D. Irwin, 1972.

Dyfyniad MLA

BROWN, Gray. Survey Economic Principles Gray Brown. Richard D. Irwin, 1972.

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