Thumann, Albert
CRC Press, Taylor & Francis, 2010
Buku Referensi
Cutforth, Arthur E.
Gee and Company, 1971
Buku Teks
Loftness, Robert L.
Van Nostrand Reinhold, 1984
Buku Referensi
Hicks, Tyler Gregory, 1921-
McGraw-Hill, 2012
Buku Teks
prepared by 142 specialists ; Douglas M. Considine, editor-in-chief
McGraw-Hill, 1996
Buku Referensi