Dyfyniad APA

Warnken, K. (1981). The information brokers: How to start and operate your own fee-based service. Bowker.

Dyfyniad Arddull Chicago

Warnken, Kelly. The Information Brokers: How to Start and Operate Your Own Fee-based Service. New York: Bowker, 1981.

Dyfyniad MLA

Warnken, Kelly. The Information Brokers: How to Start and Operate Your Own Fee-based Service. Bowker, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.