Deming, Timothy, editor
Springer, 2012
eBooks
Koda-Kimble, Mary Anne; Young, Lloyd Yee; Kradjan, Wayne A.; Guglielmo, B. Joseph; Alldredge, Brian K.; Corelli, Robin L.
Wolters Kluwer, Lippincott Williams & Wilkins, 2007
Buku Referensi
edited by Louis S. Goodman
Macmillan, 1975
Buku Teks
Gerald, Michael C.
Prentice-Hall, 1981
Buku Teks
Phillips, Lynn Dianne
F.A. Davis , 1993
Buku Teks