Tillery, Bill W., author
McGraw-Hill, 2012
Buku Teks
Booth, Verne H., author
Macmillan, 1969
Buku Teks
edited by Frank N. Magill
Salem Press, 1992
Buku Referensi
edited by Frank N. Magill
Salem Press, 1992
Buku Referensi
edited by Frank N. Magill
Salem Press, 1992
Buku Referensi