Serebriakoff, V. (1994). The Giant book of puzzles. Magpie.
Dyfyniad Arddull ChicagoSerebriakoff, Victor. The Giant Book of Puzzles. London: Magpie, 1994.
Dyfyniad MLASerebriakoff, Victor. The Giant Book of Puzzles. Magpie, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.