Clark, Mary Jo, author
Appleton & lange , 1999
Buku Teks
Rano Banyu Aji, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2010
UI - Tesis (Open)
Stanhope, Marcia, author
Mosby Year Book , 1992
Buku Teks
edited for the International Epidemiological Association and the World Health Organization by Basil S. Hetzel
Oxford University Press, 1978
Buku Teks
Leavel, Hugh Rodman, author
McGraw-Hill, 1958
Buku Teks