Letiche, H., & Lightfoot, G. (2014). The relevant PhD. Sense Publishers.
芝加哥风格引文Letiche, Hugo, 与 Geoffrey Lightfoot. The Relevant PhD. Rotterdam, Netherlands: Sense Publishers, 2014.
MLA引文Letiche, Hugo, 与 Geoffrey Lightfoot. The Relevant PhD. Sense Publishers, 2014.
警告：这些引文格式不一定是100％准确.