Dyfyniad APA

Smith, N. (1983). Speed reading made easy. Warner.

Dyfyniad Arddull Chicago

Smith, Nila. Speed Reading Made Easy. New York: Warner, 1983.

Dyfyniad MLA

Smith, Nila. Speed Reading Made Easy. Warner, 1983.

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