Flexner, S. B. (1971). Reader's Digest: How to increase your word power. Reader's Digest Association.
Dyfyniad Arddull ChicagoFlexner, Stuart B. Reader's Digest: How to Increase Your Word Power. Pleasantville, New York: Reader's Digest Association, 1971.
Dyfyniad MLAFlexner, Stuart B. Reader's Digest: How to Increase Your Word Power. Reader's Digest Association, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.