Lozansky, E., & Rousseau , C. (1996). Winning solutions. Springer Verlag.
Dyfyniad Arddull ChicagoLozansky, Edward, and Cecil Rousseau. Winning Solutions. New York: Springer Verlag, 1996.
Dyfyniad MLALozansky, Edward, and Cecil Rousseau. Winning Solutions. Springer Verlag, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.