Dyfyniad APA

RUFFIN, R. J. (1983). Principles Of Macroeconomics Roy J. Ruffin And Paul R. Gregory. Scott Foresman & Co.

Dyfyniad Arddull Chicago

RUFFIN, Roy J. Principles Of Macroeconomics Roy J. Ruffin And Paul R. Gregory. Scott Foresman & Co, 1983.

Dyfyniad MLA

RUFFIN, Roy J. Principles Of Macroeconomics Roy J. Ruffin And Paul R. Gregory. Scott Foresman & Co, 1983.

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