Dyfyniad APA
Schuh, F., G�obel, F., & O'Beirne, T. H. (1968). The master book of mathematical recreations. Dover Publications, Inc..
Dyfyniad Arddull Chicago
Schuh, Frederik, F. G�obel, and T. H. O'Beirne. The Master Book of Mathematical Recreations. Mineola, New York: Dover Publications, Inc., 1968.
Dyfyniad MLA
Schuh, Frederik, et al. The Master Book of Mathematical Recreations. Dover Publications, Inc., 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.