Παραπομπή APA

hill, L. A. (1969). Exercises prepositions and adverbial particles. Oxford university press.

Παραπομπή Chicago Style

hill, L A. Exercises Prepositions and Adverbial Particles. London: Oxford university press, 1969.

Παραπομπή MLA

hill, L A. Exercises Prepositions and Adverbial Particles. Oxford university press, 1969.