Gaya APA
Foster, D, S., (a.o), T, S, C. (1961).
Colorimetric Methods of Analysis Including Photometric Methods Volume IIIA .
New Jersey:
D. Van Nostrand Company, Inc.
Gaya MLA
Foster, Dee, Snell,., (a.o), T., Sneel,, Cornelia.
"Colorimetric Methods of Analysis Including Photometric Methods Volume IIIA".
New Jersey:
D. Van Nostrand Company, Inc,
1961.
Text.