Dyfyniad APA

taylor, j. b. (1993). principles of macroeconomics (second edition.). houghton mifflin company.

Dyfyniad Arddull Chicago

taylor, john b. Principles of Macroeconomics. second edition. new york: houghton mifflin company, 1993.

Dyfyniad MLA

taylor, john b. Principles of Macroeconomics. second edition. houghton mifflin company, 1993.

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