Woolley, Tyler A.
Burgess, 1969
Buku Teks SO
edited by Arthur C. Giese, John S. Pearse and Vicki B. Pearse
Boxwood Press, 1991
Buku Teks SO
edited by Arthur C. Giese, John S. Pearse and Vicki B. Pearse
Blackwell Scientific , 1987
Buku Teks SO
edited by Arthur C. Giese, John S. Pearse and Vicki B. Pearse
Boxwood Press, 1991
Buku Teks SO
Wilmoth, James H.
Prentice-Hall, 1967
Buku Teks SO