Krickeberg, Klaus, author
Springer, 2012
eBooks
Fox, John P., author
Macmillan, 1970
Buku Teks
Harris, Randal E., author
Jones Bartlett Learning, 2013
Buku Teks
Austin, Donald F., author
Charles C. Thomas, 1974
Buku Teks
Nelson, Kenrad E., author
Jones and Bartlett Publisher, 2005
Buku Teks