Dyfyniad APA

(1987). Spirit of enterprise: The 1987 Rolex awards. Berkshire.

Dyfyniad Arddull Chicago

Spirit of Enterprise: The 1987 Rolex Awards. Berkshire, 1987.

Dyfyniad MLA

Spirit of Enterprise: The 1987 Rolex Awards. Berkshire, 1987.

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