APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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