Bove, Mary, author
Keats Publishing, 2001
Buku Teks
Mann, Gurdeep S., editor
Springer, 2012
eBooks
Kamphaus, Randy W, author
Pringer Science+Business Medi, 2005
Buku Teks
Hildebrand, Verna, author
Macmillan, 1985
Buku Teks
Isbell, Rebecca T., author
Wadsworth and Cengage Learning, 2013
Buku Teks