Lindholm, Richard W., author
Pitman, 1950
Buku Teks
Lutz, Harley Leist, author
D. Appleton-Century, 1947
Buku Teks
Rosen, Harvey S., author
Richard D. Irwin, 1989
Buku Teks
Marc Buggeln, author
Cambridge University Press, 2017
eBooks
Mikesell, John L., author
Cengage Learning, 2018
Buku Teks