Cita APA (7a ed.)

Hornby, A. (1954). A guide to patterns and usage in english. OXFORF UNIVERSITY.

Cita Chicago Style (17a ed.)

Hornby, A.S. A Guide to Patterns and Usage in English. Londres: OXFORF UNIVERSITY, 1954.

Cita MLA (8a ed.)

Hornby, A.S. A Guide to Patterns and Usage in English. OXFORF UNIVERSITY, 1954.