Duncan, Peter
Sage, 2014
Buku Teks SO
Harold W. Baillie, John McGeehan, Thomas M. Garrett, Rosellen M. Garrett
Pearson, 2013
Buku Teks SO
Hall, George M.
Warren H. Green, 1992
Buku Teks SO
Garrett, Thomas M.
Prentice-Hall, 2001
Buku Teks SO
by Barry R. Furrow ... [and others]
Thomson/West, 2008
Buku Teks SO