Gaya APA
Spring, Joel. (2012).
American Education; 15th ed .
New York:
McGraw-Hill.
Gaya Chicago
Spring, Joel.
American Education; 15th ed.
New York:
McGraw-Hill,
2012.
Textbook.
Gaya MLA
Spring, Joel.
American Education; 15th ed.
New York:
McGraw-Hill,
2012.
Textbook.
Gaya Turabian
Spring, Joel.
American Education; 15th ed.
New York:
McGraw-Hill,
2012.
Textbook.