Moore, John B.
Government Printing Office, 1906
Buku Teks SO
Hackworth, Green Haywood
Government Printing Office, 1943
Buku Teks SO
Graham, Malbone W.
Johns Hopkins Press, 1948
Buku Teks SO
Gardner, Richard N.
Dell Publishing, 1965
Buku Teks SO
Hackworth, Green Haywood
Government Printing Office, 1943
Buku Teks SO