Gaya APA
Levine, D, U., Ornstein, A, C. (1989).
Foundations of educations .
Boston, Massachusetts:
Hougton Mifflin Company.
Gaya MLA
Levine, Daniel, U.., Ornstein, Allan, C..
"Foundations of educations".
Boston, Massachusetts:
Hougton Mifflin Company,
1989.
Text.