APA Style
Ruffin, Roy J., Gregory, Paul R.. (1986).
Principles of macroeconomics (ed. 2).
Illinois:
Scott, Foresman And Company.
Chicago Style
Ruffin, Roy J., Gregory, Paul R..
Principles of macroeconomics.
ed. 2
Illinois:
Scott, Foresman And Company,
1986.
Buku Teks.
MLA Style
Ruffin, Roy J., Gregory, Paul R..
Principles of macroeconomics.
ed. 2
Illinois:
Scott, Foresman And Company,
1986.
Buku Teks.
Turabian Style
Ruffin, Roy J., Gregory, Paul R..
Principles of macroeconomics.
ed. 2
Illinois:
Scott, Foresman And Company,
1986.
Buku Teks.