Gaya APA
Society, A, C.
(1969).
Jurnal Of The American Chemical Society Jilid 2
(
26-Feb)
.
Whasington D.C:
.
Gaya MLA
Society, American, Chemical.
"Jurnal Of The American Chemical Society Jilid 2".
26-Feb
Whasington D.C:
,
1969.
Text.