Hollins, Carole, author
Wiley-Blackwell, 2008
Buku Teks
Pahmi Leni, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2011
UI - Skripsi (Membership)
Sprenger, Polly, author
Virgin, 2001
Buku Teks
Delmar, Cengage Learning, 2007
Multimedia
Schmalz, Gottfried, Author
Springer, 2009
Buku Teks