Oladipo, R. (2013). Longhorn essentials of English grammar.
芝加哥风格引文Oladipo, Rebecca. Longhorn Essentials of English Grammar. Nairobi, 2013.
MLA引文Oladipo, Rebecca. Longhorn Essentials of English Grammar. 2013.
警告：这些引文格式不一定是100％准确.
APA引文