Sisayongosa, 1973
Buku Referensi
David B. Guralnik, editor in chief
Prentice-Hall, 1986
Buku Referensi
Victoria Neufeldt, David B. Guralnik, editor
Webster's New World, 1988
Buku Referensi
David B. Guralnik, editor in chief
William Collins Publishers, 1976
Buku Referensi
edited by Joseph T. Shipley
Littlefield, Adams, 1960
Buku Referensi