Clyde F. Coombs
McGraw-Hill, 2001
Buku Teks
Clyde F. Coombs, editor-in-chief
McGraw-Hill, 2001
Buku Referensi
Clyde F. Coombs, editor-in-chief
McGraw-Hill, 1979
Buku Referensi
editor, Arthur B. Williams
McGraw-Hill, 1984
Buku Referensi
Tooley, Michael H., author
Newnes, 1995
Buku Referensi