Gaya APA
A, B, S, C, M.
(1984).
The new book of knowledge Vol 1 sd 21
.
:
Grolier Incorporated.
Gaya MLA
A, Benard, S, Cayne, M..
"The new book of knowledge Vol 1 sd 21".
:
Grolier Incorporated,
1984.
Text.