Penggayaan APA
FRANK, Robert H.. (2011).
Principles of economics (2th. ed.).
New York:
McGraw-Hill.
Chicago Style
FRANK, Robert H..
Principles of economics.
2th. ed.
New York:
McGraw-Hill,
2011.
Buku.
MLA Style
FRANK, Robert H..
Principles of economics.
2th. ed.
New York:
McGraw-Hill,
2011.
Buku.
Turabian Style
FRANK, Robert H..
Principles of economics.
2th. ed.
New York:
McGraw-Hill,
2011.
Buku.