Cita APA (7th ed.)

EBBITT, W. R., & EBBITT, D. R. Writer's guide and index to english. -- Ed.7. Scott.

Cita Chicago (17th ed.)

EBBITT, Wilma R., i David R. EBBITT. Writer's Guide and Index to English. -- Ed.7. Illnois: Scott.

Cita MLA (9th ed.)

EBBITT, Wilma R., i David R. EBBITT. Writer's Guide and Index to English. -- Ed.7. Scott.