Freund, John E., author
Pearson Prentice Hall, 2007
Buku Teks
Freund, John E., author
Prentice-Hall, 1984
Buku Teks
Bowley, Arthur, author
Macdonald and Evans, 1951
Buku Teks
Hartkemeler, Harry P., author
Dickenson Publishing, 1868
Buku Teks
Montgomery, Douglas C., author
Wiley, Hoboken, NJ, 2018
Buku Teks