APA (7th ed.) Zitazioa

Oladipo, R. (2013). Longhorn essentials of English grammar. Longhorn.

Chicago Style (17th ed.) Zitazioa

Oladipo, Rebecca. Longhorn Essentials of English Grammar. Nairobi: Longhorn, 2013.

MLA (9th ed.) Zitazioa

Oladipo, Rebecca. Longhorn Essentials of English Grammar. Longhorn, 2013.