APA Style
Ruffin, Roy,, Gregory, Paul R.. (1988).
Principles of microeconomics (3rd ed.).
ilu:
Scott, Foresman.
Chicago Style
Ruffin, Roy,, Gregory, Paul R..
Principles of microeconomics.
3rd ed.
ilu:
Scott, Foresman,
1988.
Print.
MLA Style
Ruffin, Roy,, Gregory, Paul R..
Principles of microeconomics.
3rd ed.
ilu:
Scott, Foresman,
1988.
Print.
Turabian Style
Ruffin, Roy,, Gregory, Paul R..
Principles of microeconomics.
3rd ed.
ilu:
Scott, Foresman,
1988.
Print.