Gaya APA
Crain, William. (2000).
Theories of development: concept and applications (4th ed.).
New Jersey:
Prentice Hall.
Gaya Chicago
Crain, William.
Theories of development: concept and applications.
4th ed.
New Jersey:
Prentice Hall,
2000.
Text.
Gaya MLA
Crain, William.
Theories of development: concept and applications.
4th ed.
New Jersey:
Prentice Hall,
2000.
Text.
Gaya Turabian
Crain, William.
Theories of development: concept and applications.
4th ed.
New Jersey:
Prentice Hall,
2000.
Print.