Gaya APA
Streuli, C., Averell, P. (1970).
The Analytical Chemistry of Nitrogen and its Compounds Part 1 .
New York:
John Wiley and Sons.
Gaya MLA
Streuli, C.A., Averell, P.R.
"The Analytical Chemistry of Nitrogen and its Compounds Part 1".
New York:
John Wiley and Sons,
1970.
Text.