Gaya APA
Incorporated, Grolier. (1996).
Encyclopedia American Vol. 18 (Cet.1).
Phillippines:
Grolier Incorporated.
Gaya Chicago
Incorporated, Grolier.
Encyclopedia American Vol. 18.
Cet.1
Phillippines:
Grolier Incorporated,
1996.
Text.
Gaya MLA
Incorporated, Grolier.
Encyclopedia American Vol. 18.
Cet.1
Phillippines:
Grolier Incorporated,
1996.
Text.
Gaya Turabian
Incorporated, Grolier.
Encyclopedia American Vol. 18.
Cet.1
Phillippines:
Grolier Incorporated,
1996.
Print.