Gaya APA
Supriyadi, . et al (1993).
Encyclopedia Americana 18/Diedit oleh Barbara Letta Cole .
Danbury:
Grolier Incorporated.
Gaya MLA
Supriyadi, . et al.
"Encyclopedia Americana 18/Diedit oleh Barbara Letta Cole".
Danbury:
Grolier Incorporated,
1993.
Chart.