Bowman, Edward H., author
Richard D. Irwin, 1958
Buku Teks
Adam, Everett E., author
Prentice-Hall, c1986
Buku Teks
Pinney, William E., author
Harper & Row, 1982
Buku Teks
Eppen, Gary D., author
Prentice-Hall, 1984
Buku Teks
Adam, Everett E., author
Prentice-Hall, 1982
Buku Teks