Gaya APA
Thomas, L., Chamberlain, G. (1980).
Colorimetric Chemical Analytical Methods (Edisi 9).
Salisbury:
The Tintometer.
Gaya MLA
Thomas, L.C.., Chamberlain, G.J..
"Colorimetric Chemical Analytical Methods".
Edisi 9
Salisbury:
The Tintometer,
1980.
Text.