Rosencrans, G. (1998). The spelling book: Teaching children how to spell, not what to spell.
Citazione stile Chigago Style (17a edizione)Rosencrans, Gladys. The Spelling Book: Teaching Children How to Spell, Not What to Spell. Newark, Del, 1998.
Citatione MLA (9a ed.)Rosencrans, Gladys. The Spelling Book: Teaching Children How to Spell, Not What to Spell. 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.