Dyfyniad APA

Reading, l. (1964). Double your reading speed. Faweett.

Dyfyniad Arddull Chicago

Reading, laboratory. Double Your Reading Speed. New York: Faweett, 1964.

Dyfyniad MLA

Reading, laboratory. Double Your Reading Speed. Faweett, 1964.

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