APA Style
Ruffin, Roy J. (1988).
Principles Of Economics .
London:
Scott, Foresman and Company.
Chicago Style
Ruffin, Roy J.
Principles Of Economics.
London:
Scott, Foresman and Company,
1988.
Text.
MLA Style
Ruffin, Roy J.
Principles Of Economics.
London:
Scott, Foresman and Company,
1988.
Text.
Turabian Style
Ruffin, Roy J.
Principles Of Economics.
London:
Scott, Foresman and Company,
1988.
Print.