APA (7th ed.) Zitazioa

HORNBY, A. (1975). Guide to patterns and usage in English (2nd ed.). Oxford University press.

Chicago Style (17th ed.) Zitazioa

HORNBY, A.S. Guide to Patterns and Usage in English. 2nd ed. London: Oxford University press, 1975.

MLA (9th ed.) Zitazioa

HORNBY, A.S. Guide to Patterns and Usage in English. 2nd ed. Oxford University press, 1975.