Whaley, N. M. (1923). The natural speller. The Bobbs-Merrill Company, Publishers.
Chicagoスタイル(17版)引用形式Whaley, N. M. The Natural Speller. Indianapolis: The Bobbs-Merrill Company, Publishers, 1923.
MLA(8版)引用形式Whaley, N. M. The Natural Speller. The Bobbs-Merrill Company, Publishers, 1923.
警告: この引用は必ずしも正確ではありません.