McGraw-Hill, 2002
Buku Teks
John Wiley & Sons, 1987
Buku Teks
Cambridge University Press, 2019
eBooks
Hopkins, Kenneth D., author
Allyn And Bacon, 1987
Buku Teks
M. Agung Mauliddin, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2010
UI - Skripsi (Open)