Hand, D.J.
Chapman & Hall, 1987
Buku Teks
Jones, Andrew
Radcliffe Publishing, 2009
Buku Teks
Morrison, Donald F.
Prentice-Hall, 1983
Buku Teks
Johnson, Richard A.
Pearson Education International, 2007
Buku Teks
Jacobsen, Kathryn H.
Jones & Bartlett Learning, 2017
Buku Teks