Lewis, David E., author
Springer, 2012
eBooks
Cooper, James W., author
John Wiley & Sons, 1980
Buku Teks
Mikalachki, Jodi, author
Routledge, 1998
Buku Teks
New York Graphic Society, 1958
Buku Referensi
edited by Egdunas Racius, Antonina Zeljazkova
Brill, 2018
eBooks