Stacy, Ralph W.
Mosby , 1966
Buku Teks
Menaldi Rasmin, compiler; Darlan Darwis, editor
Balai Penerbit Fakultas Kedokteran Universitas Indonesia, 2007
Buku Teks
Phillips, Ralph W.
United states Government Printing Office, 1945
Buku Teks
Kenney, W. Larry, author
Human Kinetics, 2015
Buku Teks
Chand, Hari
International Law Book Services, 1994
Buku Teks