Gaya APA
Crain, William. (2000).
The theories development : Concepts and applications / William Crain (4th ed).
New Jersey:
Prentice Hall.
Gaya Chicago
Crain, William.
The theories development : Concepts and applications / William Crain.
4th ed
New Jersey:
Prentice Hall,
2000.
Buku.
Gaya MLA
Crain, William.
The theories development : Concepts and applications / William Crain.
4th ed
New Jersey:
Prentice Hall,
2000.
Buku.
Gaya Turabian
Crain, William.
The theories development : Concepts and applications / William Crain.
4th ed
New Jersey:
Prentice Hall,
2000.
Buku.