Gaya APA
BETTERSWORTH,John K. (1968).
New World Heritage .
New York:
Steck-Vaughn Copaany.
Gaya Chicago
BETTERSWORTH,John K.
New World Heritage.
New York:
Steck-Vaughn Copaany,
1968.
Teks.
Gaya MLA
BETTERSWORTH,John K.
New World Heritage.
New York:
Steck-Vaughn Copaany,
1968.
Teks.
Gaya Turabian
BETTERSWORTH,John K.
New World Heritage.
New York:
Steck-Vaughn Copaany,
1968.
Teks.