Phillips, E., Wiener Daniel N., & Horing Norris G. (1960). Discipline achievement and mental health. Prentice Hall.
Dyfyniad Arddull ChicagoPhillips, Elakin, Wiener Daniel N., and Horing Norris G. Discipline Achievement and Mental Health. New Jersey: Prentice Hall, 1960.
Dyfyniad MLAPhillips, Elakin, et al. Discipline Achievement and Mental Health. Prentice Hall, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.