APA (7th ed.) Citation
Hornby, A. S. (1971). A guide to patterns and usage in english. OUP.
Chicago Style (17th ed.) Citation
Hornby, A. S. A Guide to Patterns and Usage in English. Oxford: OUP, 1971.
MLA (9th ed.) Citation
Hornby, A. S. A Guide to Patterns and Usage in English. OUP, 1971.
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