Gaya APA
Richardson, G, H. (1960).
Standard Methods: for the Examination of Dairy Products (Eleventh Edition).
Washington DC:
American Public Health Asociation.
Gaya MLA
Richardson, Gary, H.
"Standard Methods: for the Examination of Dairy Products".
Eleventh Edition
Washington DC:
American Public Health Asociation,
1960.
Lawas.