Dyfyniad APA

Baker,T E. (1991). Economics for proffessional examinations. Basil Blackwell.

Dyfyniad Arddull Chicago

Baker,T E. Economics for Proffessional Examinations. Oxford: Basil Blackwell, 1991.

Dyfyniad MLA

Baker,T E. Economics for Proffessional Examinations. Basil Blackwell, 1991.

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