Penggayaan APA
GWARTNEY, JAMES D. (1982).
Essentials of economics .
New York:
Academic Press.
Chicago Style
GWARTNEY, JAMES D.
Essentials of economics.
New York:
Academic Press,
1982.
Text.
MLA Style
GWARTNEY, JAMES D.
Essentials of economics.
New York:
Academic Press,
1982.
Text.
Turabian Style
GWARTNEY, JAMES D.
Essentials of economics.
New York:
Academic Press,
1982.
Print.