Horowitz, Mannie, author
Reston, 1979
Buku Teks
Streetman, Ben G., author
Pearson, 2015
Buku Teks
Streetman, Ben G.
Prentice-Hall, 1980
Buku Teks
Bandyopadhyay, Supriyo, author
Springer, 2012
eBooks
Lenk, John D., author
Prentice-Hall, 1971
Buku Referensi