APA (7th ed.) Citation

Não informado. (1984). Data base directory. Knowledge Industry Publications.

Chicago Style (17th ed.) Citation

Não informado. Data Base Directory. White Plains, NY: Knowledge Industry Publications, 1984.

MLA (8th ed.) Citation

Não informado. Data Base Directory. Knowledge Industry Publications, 1984.

Warning: These citations may not always be 100% accurate.