APA Style
Frank, Robert H. Frank, Robert H.. (2007).
Principles of economics.-- .
America:
McGraw-Hill.
Chicago Style
Frank, Robert H. Frank, Robert H..
Principles of economics.--.
America:
McGraw-Hill,
2007.
Buku.
MLA Style
Frank, Robert H. Frank, Robert H..
Principles of economics.--.
America:
McGraw-Hill,
2007.
Buku.
Turabian Style
Frank, Robert H. Frank, Robert H..
Principles of economics.--.
America:
McGraw-Hill,
2007.
Buku.