Gaya APA
Simmons, J., S., }, {., E., A. (1954).
Global Epidemiology A Geografi of Desease and Sanitation (Volume 3).
Philadelphia:
J.B. Lippincott Company.
Gaya MLA
Simmons, J., S., }, {., E., A..
Global Epidemiology A Geografi of Desease and Sanitation.
Volume 3
Philadelphia:
J.B. Lippincott Company,
1954.
Lawas.