Gaya APA
SPRING, Joel. (2014).
American education (16 th. ed.).
New York:
Mc Graw Hill.
Gaya Chicago
SPRING, Joel.
American education.
16 th. ed.
New York:
Mc Graw Hill,
2014.
Text.
Gaya MLA
SPRING, Joel.
American education.
16 th. ed.
New York:
Mc Graw Hill,
2014.
Text.
Gaya Turabian
SPRING, Joel.
American education.
16 th. ed.
New York:
Mc Graw Hill,
2014.
Print.