Eppen, Gary D.
Prentice-Hall, 1984
Buku Teks
by G.D. Eppen ... [et.al.]
Prentice-Hall International, 1998
Buku Teks
Van Vlack, Lawrence H.
Addison-Wesley, 1959
Buku Teks SO
Curtis, Michael
Harper & Row, 1978
Buku Teks SO
Needham, Joseph
Cambridge University Press, 1954
Buku Teks SO