Gaya APA
Vol.11, G, E, O, K.
(1993).
Grolier encyclopedia of knowledge Vol.11 / Grolier Incorporated
.
:
.
Gaya MLA
Vol.11, Grolier, Encyclopedia, Of, Knowledge.
"Grolier encyclopedia of knowledge Vol.11 / Grolier Incorporated".
:
,
1993.
Referensi.