McClave, James T.
Dellen Publishing, 1979
Buku Teks SO
Hays, William Lee, 1926-1995
Harcourt Brace Colege, 1994
Buku Teks SO
McClave, James T.
Dellen Publishing, 1985
Buku Teks SO
McClave, James T.
Pearson, 2017
Buku Teks SO
Haber, Audrey
Addison-Wesley , 1970
Buku Teks SO