hill, L. A. (1969). Exercises prepositions and adverbial particles. Oxford university press.
Chicago Edition Citationhill, L A. Exercises Prepositions and Adverbial Particles. London: Oxford university press, 1969.
MLA引文hill, L A. Exercises Prepositions and Adverbial Particles. Oxford university press, 1969.
警告：這些引文格式不一定是100％准確.