Gaya APA
Heward, William L.. (2009).
Exceptional children : an introduction to special education (9th ed.).
America:
Pearson Education.
Gaya Chicago
Heward, William L..
Exceptional children : an introduction to special education.
9th ed.
America:
Pearson Education,
2009.
Text.
Gaya MLA
Heward, William L..
Exceptional children : an introduction to special education.
9th ed.
America:
Pearson Education,
2009.
Text.
Gaya Turabian
Heward, William L..
Exceptional children : an introduction to special education.
9th ed.
America:
Pearson Education,
2009.
Print.