Berztiss, A.T.
Academic Press, 1975
Buku Teks
Jay, Rosemary
Sweet & Maxwell , 2012
Buku Teks
Cecelja, Franjo
Penton, 2002
Buku Teks
edited by Martin E. Liggins, David L. Hall, James Llinas
CRC Press, 2009
Buku Referensi
Allen, Mark
Elsevier, 2015
Buku Teks