APA Style
Stroup, Richard L., Gwartney, James D.. (1987).
Economics (4th ed.).
New York:
HBJ.
Chicago Style
Stroup, Richard L., Gwartney, James D..
Economics.
4th ed.
New York:
HBJ,
1987.
.
MLA Style
Stroup, Richard L., Gwartney, James D..
Economics.
4th ed.
New York:
HBJ,
1987.
.
Turabian Style
Stroup, Richard L., Gwartney, James D..
Economics.
4th ed.
New York:
HBJ,
1987.
.