edited by Anna Marie Lieske
An Aspen Publication, 1986
Buku Teks SO
Macnee, Carol L.
Lippincott Williams & Wilkins, 2004
Buku Teks SO
Phillips, Linda R. Fraelich
Appleton-Century Crofts, 1986
Buku Teks SO
Polit, Denise F.
J.B. Lippincott, 1983
Buku Teks SO
Walliman, Nicholas
Sage Publications Ltd , 2001
Buku Teks SO