Dori, Dov
Springer International Publishing, 2016
eBooks
Boardman, John
Prentice-Hall, 1990
Buku Teks
Alexander Kossiakoff 1945-, William N. Sweet, Samuel J. Seymour, Steven M. Biemer
Wiley-Interscience, 2011
Buku Teks
Wymore, A. Wayne
John Wiley & Sons, 1976
Buku Teks
Hargreaves, Martin
Longman, 1996
Buku Teks