Dyfyniad APA

Fourdrinier, S., & Tichy, H. J. (1988). Effective writing for engineers, managers, scientists (Ed.2.).

Dyfyniad Arddull Chicago

Fourdrinier, Sylvia, and H J. Tichy. Effective Writing for Engineers, Managers, Scientists. Ed.2. NY, John Wiley&Sons, 1988.

Dyfyniad MLA

Fourdrinier, Sylvia, and H J. Tichy. Effective Writing for Engineers, Managers, Scientists. Ed.2. 1988.

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