Gaya APA
Horwitz, W. (2000).
Official Methods of Analysis of AOAC International.Vol.II.1 (17th.ed).
Maryland:
AOAC International.
Gaya MLA
Horwitz, William.
"Official Methods of Analysis of AOAC International.Vol.II.1".
17th.ed
Maryland:
AOAC International,
2000.
Text.