Harbeck, Richard M.
Holt Rinehart and Winston, 1965
Buku Teks SO
Tillery, Bill W.
McGraw-Hill, 2014
Buku Teks SO
Tillery, Bill W.
McGraw-Hill Education, 2017
Buku Teks SO
John Wiley & Sons, 1969
Buku Teks SO
Shipman, James T.
D.C. Heath, 1990
Buku Teks