Gaya APA
Schenk, J, S, F, ;, G, H.
(1979).
Quantitative analytical chemistry
(
ed. 4)
.
London:
allyn and bacon.
Gaya MLA
Schenk, James, S., Fritz, ;, George, H..
"Quantitative analytical chemistry".
ed. 4
London:
allyn and bacon,
1979.
Text.