Dyfyniad APA

MANKIW N GREGORY. (2002). PRINCIPLES OF ECONOMICS (2ND.). THOMSON SOUTH-WESTERN.

Dyfyniad Arddull Chicago

MANKIW N GREGORY. PRINCIPLES OF ECONOMICS. 2ND. AUSTRALIA: THOMSON SOUTH-WESTERN, 2002.

Dyfyniad MLA

MANKIW N GREGORY. PRINCIPLES OF ECONOMICS. 2ND. THOMSON SOUTH-WESTERN, 2002.

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