Ross، N. (1992). Clauses and Style: Asurvy of Subordiante Clauses and Alternatives in use in English With Relation to Syule Variation and Register. مجلة ترجمان، مج1, ع2 ، 57 - 65. مسترجع من http://search.mandumah.com/Record/591763
Ross، Nigel. "Clauses and Style: Asurvy of Subordiante Clauses and Alternatives in Use in English With Relation to Syule Variation and Register." مجلة ترجمان مج1, ع2 (1992): 57 - 65. مسترجع من http://search.mandumah.com/Record/591763