edited by Louis S. Goodman
Macmillan, 1975
Buku Teks
Goodman, Louis S., author
Macmillan, 1958
Buku Referensi
Grollman, Arthur, author
Lea & Febiger, 1962
Buku Teks
Jenkins, Glen L., author
McGraw-Hill, 1966
Buku Teks
little, Brown and company , 1997
Buku Teks