Pigeaud, Theodoor Gautier Thomas, 1899-, author
Martinus Nijhoff, 1967
Buku Teks
edited by Douglas Daymond and Leslie Monkman
Gage Educational Publishing Limited, 1978
Buku Teks
Katz, William A., 1924-, author
McGraw-Hill, 1987
Buku Teks
Katz, William A., 1924-, author
McGraww-Hill, 1992
Buku Teks
editor in chief, Mortimer J. Adler
Encyclopaedia Britannica, Inc., 1996
Buku Referensi