David B. Guralnik, general editor
The World Publishing Co., 1956
Buku Referensi
The World Publishing Co., 1951
Buku Referensi
The World Publishing Co., 1960
Buku Referensi
The World Publishing Co., 1951
Buku Referensi
Danbury : Lexicon Publications, Inc., 2004,
Buku Referensi