Penner, Susan J.
Lippincott Williams & Wilkins, 2004
Buku Teks
Gary A. Shankman, Robert C. Manske, editor
Elsevier Mosby, 2011
Buku Teks
Artikel Jurnal
Hutagalung, Amye Dedio
Fakultas Ilmu Keperawatan Universitas Indonesia, 2018
UI - Tesis Membership
Dutton, Mark
McGraw-Hill Education, 2014
Buku Teks