Botel, M. (1967). Patterns in spelling and writing: 1620 power words. U.S.A: California State Department of Education.
Stile di citazione ChicagoBotel, Morton. Patterns in Spelling and Writing: 1620 Power Words. U.S.A: California State Department of Education, 1967.
Citazione MLABotel, Morton. Patterns in Spelling and Writing: 1620 Power Words. U.S.A: California State Department of Education, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.