Penggayaan APA
RUFFIN, ROY J., GREGORY, PAUL R.. (1983).
Principles of macroeconomics .
Illinois:
Scott Foresman.
Chicago Style
RUFFIN, ROY J., GREGORY, PAUL R..
Principles of macroeconomics.
Illinois:
Scott Foresman,
1983.
Text.
MLA Style
RUFFIN, ROY J., GREGORY, PAUL R..
Principles of macroeconomics.
Illinois:
Scott Foresman,
1983.
Text.
Turabian Style
RUFFIN, ROY J., GREGORY, PAUL R..
Principles of macroeconomics.
Illinois:
Scott Foresman,
1983.
Print.