Gaya APA
Grolier, .
(1993).
Encyclopedia Of Knowledge volume 7 (ELF - FORUM)
(
1st ed. )
.
India:
Grolier Incorporated.
Gaya MLA
Grolier, .
"Encyclopedia Of Knowledge volume 7 (ELF - FORUM)".
1st ed.
India:
Grolier Incorporated,
1993.
Buku Teks.