Poole, Kenyon E.
N.Y. Rinehart , 1956
Buku Teks
Couper, James R.
Van Nostrand Reinhold , 1986
Buku Teks
Due, John F.
Richard D. Irwin, Inc., 1969
Buku Teks
Rolph, Earl R.
N.Y. The Ronald Press , 1961
Buku Teks
Bernardo, C. Joseph
Military Service Division, Stackpole Co., 1961
Buku Teks