Gaya APA
Dixon, D.
(1998).
Encyclopedia Of Science 3 : The Earth
(
Cet 1)
.
USA:
Macmillan Library Reference.
Gaya MLA
Dixon, Dougal.
"Encyclopedia Of Science 3 : The Earth".
Cet 1
USA:
Macmillan Library Reference,
1998.
Art Original.