Semishin, Vasilii Ivanovich
Peace, [Date of publication not identified]
Buku Teks SO
edited by Bruce W. Burkhart and Wesley S. Thompson
Burgess Publishing, 1972
Buku Teks SO
Deason, Temp R.
Burgess, 1968
Buku Teks
Yarbrough, James D.
Burgess Publishing, 1970
Buku Teks SO
Robert, Julian L.
W.H. Freeman, 1991
Buku Teks SO