The World Publishing Co., 1951
Buku Referensi
The World Publishing Co., 1960
Buku Referensi
The World Publishing Co., 1951
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