Gaya APA
W., E, G.
(1960).
Instrumental Methods of Chemical Analysis
(
Edisi Dua)
.
new york:
McGraw-Hill Book Company.
Gaya MLA
W., Ewing, Galen.
"Instrumental Methods of Chemical Analysis".
Edisi Dua
new york:
McGraw-Hill Book Company,
1960.
Text.