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
Doty, Steve
CRC Press, Taylor & Francis Group, 2009
Buku Referensi
Hicks, Tyler Gregory, 1921-
McGraw-Hill, 2012
Buku Teks