Cita APA

Billington, L. E. (1950). Word power through spelling. Silver Burdett Company.

Citación estilo Chicago

Billington, Lillian E. Word Power Through Spelling. New York, Chicago, Dallas, San Francisco: Silver Burdett Company, 1950.

Cita MLA

Billington, Lillian E. Word Power Through Spelling. Silver Burdett Company, 1950.

Warning: These citations may not always be 100% accurate.