Gaya APA
Pecsok, R, L, E.
(1976).
Modern Methods of Chemical Analysis
(
2nd.ed)
.
New York:
John Wiley & Sons.
Gaya MLA
Pecsok, Robert, L., Et.al.
"Modern Methods of Chemical Analysis".
2nd.ed
New York:
John Wiley & Sons,
1976.
Text.