By Unknown
By Unidentified Author
By Berlitz
By Suzanne Patterson
By N/A
By Staff of Berlitz Guides
By Berlitz Publishing
By Staff of Editions Berlitz
By Editions Berlitz S.A., Berlitz Guides
By No Author.
By Berlitz Publishing Company, No Author Credited
By berlitz-editors
By Various.
By Berlitz Editors Staff
By Unnamed Unnamed