APA (7th ed.) Citation

Não informado. (1990). Specialty references. Data Business Publishing.

Chicago Style (17th ed.) Citation

Não informado. Specialty References. Englewood, Colo: Data Business Publishing, 1990.

MLA (8th ed.) Citation

Não informado. Specialty References. Data Business Publishing, 1990.

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