Melnyk, Bernadette Mazurek
Lippincott Williams & Wilkins, 2005
Buku Teks
Murad Alam, editor
Springer, 2012
eBooks
Muhammad Ameerul Amin Bakar
UMT, 2017
Artikel Jurnal
Elwyn, Glyn
Oxford University Press, 2016
eBooks
Sharon E. Straus, Paul Glasziou
Churchill Livingstone Elsevier, 2011
Buku Teks