Lockley, John
Bloomsbury , 1993
Buku Teks
Northover, John M.A.
Oxford University Press, 1992
Buku Teks
Pickering, Thomas, author
Fireside, 1997
Buku Teks SO
Day, John L.
John Wiley & Sons, 2002
Buku Teks
Riski Antoni, author
Fakultas Ilmu Keperawatan Universitas Indonesia , 2020
UI - Skripsi Membership