Gaya APA
Kral,Thomas. (1993).
Teacher Development .
Washinton:
U.S.Information Agency.
Gaya Chicago
Kral,Thomas.
Teacher Development.
Washinton:
U.S.Information Agency,
1993.
Text.
Gaya MLA
Kral,Thomas.
Teacher Development.
Washinton:
U.S.Information Agency,
1993.
Text.
Gaya Turabian
Kral,Thomas.
Teacher Development.
Washinton:
U.S.Information Agency,
1993.
Print.