Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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