Gaya APA
World Book, Inc. (2014).
The World Book Encyclopedia Volume 15 : P .
United States of America:
World Book, Inc.
Gaya Chicago
World Book, Inc.
The World Book Encyclopedia Volume 15 : P.
United States of America:
World Book, Inc,
2014.
Teks.
Gaya MLA
World Book, Inc.
The World Book Encyclopedia Volume 15 : P.
United States of America:
World Book, Inc,
2014.
Teks.
Gaya Turabian
World Book, Inc.
The World Book Encyclopedia Volume 15 : P.
United States of America:
World Book, Inc,
2014.
Teks.