Furgal, J., & Furgal, H. (1973). Unite: Grade 4 parent handbook. Benziger.
Dyfyniad Arddull ChicagoFurgal, Jean, and Henry Furgal. Unite: Grade 4 Parent Handbook. Beverly Hills, Calif.: Benziger, 1973.
Dyfyniad MLAFurgal, Jean, and Henry Furgal. Unite: Grade 4 Parent Handbook. Benziger, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.