Dyfyniad APA

National Online Meeting New York, N.Y., Information Today (Firm), & Williams, M. E. (1999). 20th annual National Online Meeting proceedings-1999: Proceedings of the 20th National Online Meeting, New York, May 18-20, 1999. Information Today.

Dyfyniad Arddull Chicago

National Online Meeting New York, N.Y., Information Today (Firm), and Martha E. Williams. 20th Annual National Online Meeting Proceedings-1999: Proceedings of the 20th National Online Meeting, New York, May 18-20, 1999. Medford, N.J: Information Today, 1999.

Dyfyniad MLA

National Online Meeting New York, N.Y., et al. 20th Annual National Online Meeting Proceedings-1999: Proceedings of the 20th National Online Meeting, New York, May 18-20, 1999. Information Today, 1999.

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