Prescott, David
Harcourt Brace Jovanovich, 1993
Buku Teks
Coombs, W. Timothy, author
Sage, 2015
Buku Teks
McDonough, Adrian M.
McGraw-Hill, 1963
Buku Teks
McDonough, Adrian M.
McGraw-Hill Book Company, Inc., 1963
Buku Teks
Hermanu, compiler
Bentara Budaya Yogyakarta, 2011
Buku Teks