Gaya APA
Maynard, C.
(1974).
Planet Bumi
(
Cet-1)
.
London:
Grisewood & Demsey Ltd.,.
Gaya MLA
Maynard, Cristopher.
"Planet Bumi".
Cet-1
London:
Grisewood & Demsey Ltd.,,
1974.
Text.