Gross, Martin, author
New York: Headline, 1987
Buku Teks
Walker, Mary Willis
Bantam Books, 1995
Buku Teks
Aveyard, Victoria, author
Mizan Pustaka, 2017
Buku Teks
Buku Teks
Ari Rahma Yanti, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2020
UI - Skripsi (Membership)