Gaya APA
Brown, H. Douglas. (1994).
Teaching by Principles .
New Jersey:
Prentice Hall Regents.
Gaya Chicago
Brown, H. Douglas.
Teaching by Principles.
New Jersey:
Prentice Hall Regents,
1994.
Text.
Gaya MLA
Brown, H. Douglas.
Teaching by Principles.
New Jersey:
Prentice Hall Regents,
1994.
Text.
Gaya Turabian
Brown, H. Douglas.
Teaching by Principles.
New Jersey:
Prentice Hall Regents,
1994.
Print.