Gaya APA
Ajidarma, S, G.
(1983).
Grolier Academic Encyclopedia 21: Index
.
Danbury, Conn:
Grolier International.
Gaya MLA
Ajidarma, Seno, Gumira.
"Grolier Academic Encyclopedia 21: Index".
Danbury, Conn:
Grolier International,
1983.
Text.