Dyfyniad APA

Gardner, M. (1963). Martin Gardner's Sixth book of mathematical games from Scientific American (NA.). W.H. Freeman and Company.

Dyfyniad Arddull Chicago

Gardner, Martin. Martin Gardner's Sixth Book of Mathematical Games from Scientific American. NA. San Francisco: W.H. Freeman and Company, 1963.

Dyfyniad MLA

Gardner, Martin. Martin Gardner's Sixth Book of Mathematical Games from Scientific American. NA. W.H. Freeman and Company, 1963.

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