Frenay, Agnes Clare
The catholic health association of the united states , 1984
Buku Teks
Roosyana
Universitas Indonesia, 1999
Buku Teks
edited by Catherine S. Baxter
Lippincott, 1995
Buku Referensi
Dofka, Charline M.
Delmar, Cengage Learning, 2007
Buku Teks
Ehrlich, Ann
Delmar Cengage Learning, 2013
Buku Teks SO