Gaya APA
Encyclopedia Americana: international edition vol. 21. (2004).
Danbury:
Scholastic Library Pub..
Gaya Chicago
Encyclopedia Americana: international edition vol. 21.
~.
Danbury:
Scholastic Library Pub.,
2004.
Buku.
Gaya MLA
Encyclopedia Americana: international edition vol. 21.
~.
Danbury:
Scholastic Library Pub.,
2004.
Buku.
Gaya Turabian
Encyclopedia Americana: international edition vol. 21.
Danbury:
Scholastic Library Pub.,
2004.
Buku.