Sahanaya, W., & Hughes, T. (2002). IELTS preparation and practice: Practice tests with annotated answer key. Oxford: Oxford Univ. Press.
استشهاد بنمط شيكاغوSahanaya, Wendy, و Terri Hughes. IELTS Preparation and Practice: Practice Tests With Annotated Answer Key. Oxford: Oxford Univ. Press, 2002.
MLA استشهادSahanaya, Wendy, و Terri Hughes. IELTS Preparation and Practice: Practice Tests With Annotated Answer Key. Oxford: Oxford Univ. Press, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.