APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.