Gaya APA
Knevel, A, M., Digangi, F, E. (1959).
Jenkins Quatitative Pharmaceutical Chemistry .
New York:
Mcgraw book Company.
Gaya MLA
Knevel, Adelbert, M.., Digangi, Frank, E..
"Jenkins Quatitative Pharmaceutical Chemistry".
New York:
Mcgraw book Company,
1959.
Text.