Nickles, Steve H., author
West Publishing, 1993
Buku Teks
Ryder, Frank Raymond, author
Penguin Books, 1970
Buku Teks
Peters, Ellen A., author
Bobbs-Merrill, 1974
Buku Teks
Speidel, Richard E., author
West Publishing, 1993
Buku Teks
Soe, Myint, author
Quins PTE, 1977
Buku Teks