Gaya APA
Kral,Thomas. (1996).
Discover America .
Washinton:
United States information Agency.
Gaya Chicago
Kral,Thomas.
Discover America.
Washinton:
United States information Agency,
1996.
Text.
Gaya MLA
Kral,Thomas.
Discover America.
Washinton:
United States information Agency,
1996.
Text.
Gaya Turabian
Kral,Thomas.
Discover America.
Washinton:
United States information Agency,
1996.
Print.