Russell, Stuart
Pearson, 2014
Buku Teks
Russell, Stuart J. (Jonathan)
Pearson , 2016
Buku Teks
Firebaugh, Morris W.
PWS-Kent, 1988
Buku Teks
by John Anderson ... [and others]
Tioga, 1983
Buku Teks SO
Cohen, Paul R.
Pitman Advanced Publishing, 1985
Buku Teks