Gaya APA
ENCYLOPEDIA AMERICANA 13. (1983).
USA:
Grolier Incorporated.
Gaya Chicago
ENCYLOPEDIA AMERICANA 13.
.
USA:
Grolier Incorporated,
1983.
REFERENSI.
Gaya MLA
ENCYLOPEDIA AMERICANA 13.
.
USA:
Grolier Incorporated,
1983.
REFERENSI.
Gaya Turabian
ENCYLOPEDIA AMERICANA 13.
USA:
Grolier Incorporated,
1983.
REFERENSI.