Gaya APA
Spring, Joel. (2010).
American education (15th ed.).
New York:
McGraw Hill.
Gaya Chicago
Spring, Joel.
American education.
15th ed.
New York:
McGraw Hill,
2010.
Text.
Gaya MLA
Spring, Joel.
American education.
15th ed.
New York:
McGraw Hill,
2010.
Text.
Gaya Turabian
Spring, Joel.
American education.
15th ed.
New York:
McGraw Hill,
2010.
Print.