Dyfyniad APA

Drain, R. H., & Oaakley, N. (1980). Successful conference and convention planning. Sterling.

Dyfyniad Arddull Chicago

Drain, Robert H., and Neil Oaakley. Successful Conference and Convention Planning. New Delhi: Sterling, 1980.

Dyfyniad MLA

Drain, Robert H., and Neil Oaakley. Successful Conference and Convention Planning. Sterling, 1980.

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