Luckmann, Joan, author
W.B. Saunders , 1980
Buku Teks
Harkness, Gail A., author
Mosby , 1996
Buku Teks
Hausman, Kathy A., author
Elsevier, 2006
Buku Teks
Torrance, Colin, author
Bailliere Tindall , 1997
Buku Teks
Black, Joyce M., author
W.B. Saunders , 1997
Buku Teks