APA Style
Grolier, .
(1991).
Grolier Encyclopedia of Knowledge vol.9 : GRE-HYS
.
Dambury:
G.E.
MLA Style
Grolier, .
"Grolier Encyclopedia of Knowledge vol.9 : GRE-HYS".
Dambury:
G.E,
1991.
Buku.