Gaya APA
P., T, , F., T, H, , W.
(1937).
Analytical Chemistry
(
9th ed)
.
New York:
Jhon Wiley dan Sons.
Gaya MLA
P., Treadwell, , F.., T, Hall, , William.
"Analytical Chemistry".
9th ed
New York:
Jhon Wiley dan Sons,
1937.
Text.