Loretta S. Gray. (1999). Mastering idiomatic english: Prepositional phrases. New York: National Textbook Company.
Trích dẫn kiểu ChicagoLoretta S. Gray. Mastering Idiomatic English: Prepositional Phrases. New York: National Textbook Company, 1999.
Deismireacht MLALoretta S. Gray. Mastering Idiomatic English: Prepositional Phrases. New York: National Textbook Company, 1999.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.