Kroehnert, G. (1991). 100 training games. McGraw-Hill.
Dyfyniad Arddull ChicagoKroehnert, Gary. 100 Training Games. New York: McGraw-Hill, 1991.
Dyfyniad MLAKroehnert, Gary. 100 Training Games. McGraw-Hill, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.