Kao, Mary Liu
Haworth Press, 1995
Buku Referensi
Mortimer, Mary
TotalRecall Publications, 2007
Buku Teks
Moulaison, Heather Lea
Libraries Unlimited, 2015
Buku Teks
Joudrey, Daniel N.
Libraries Unlimited, 2015
Buku Teks
Taylor, Arlene G.
Libraries Unlimited, 2004
Buku Teks