Cita APA

Hopper, V. F. 1., & Gale, C. 1. (1961). Essentials of effective writing: A practical grammar and handbook of basic writing techniques. Great Neck, N. Y.: Barron's Educational Series.

Citación estilo Chicago

Hopper, Vincent Foster 1906-1976, y Cedric 1905- Gale. Essentials of Effective Writing: A Practical Grammar and Handbook of Basic Writing Techniques. Great Neck, N. Y.: Barron's Educational Series, 1961.

Cita MLA

Hopper, Vincent Foster 1906-1976, y Cedric 1905- Gale. Essentials of Effective Writing: A Practical Grammar and Handbook of Basic Writing Techniques. Great Neck, N. Y.: Barron's Educational Series, 1961.