Patton, D. H., & Johnson, E. M. (1956). Spelling for word mastery: Clothbound and skilltext editions. C.E. Merrill.
Dyfyniad Arddull ChicagoPatton, David H., and Eleanor M. Johnson. Spelling for Word Mastery: Clothbound and Skilltext Editions. Columbus, Ohio: C.E. Merrill, 1956.
Dyfyniad MLAPatton, David H., and Eleanor M. Johnson. Spelling for Word Mastery: Clothbound and Skilltext Editions. C.E. Merrill, 1956.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.