Galloway, David
Longman, 1987
Buku Teks
Selk, Jason
McGraw-Hill, 2012
Buku Teks
Daulay, Wardiyah
Fakultas Ilmu Keperawatan Universitas Indonesia, 2010
UI - Tesis Open
Vance, Charles C.
McGraw-Hill, 1974
Buku Teks
Hutagalung, Fernandez
Fakultas Teknik Universitas Indonesia, 1996
UI - Skripsi Membership