Madura, Jeff, author
South-Western College, 2001
Buku Teks
Wilson, J. (John), author
Prentice-Hall, 1983
Buku Teks
Lesk, Arthur M, author
Oxford University Press, 2017
Buku Teks
Tischler, Henry L.
Wadsworth and Cengage Learning, 2014
Buku Teks
Cheong, Kwee Thiam, author
LexisNexis, 2016
Buku Teks