Sahanaya, W., & Hughes, T. (2002). IELTS preparation and practice: Practice tests with annotated answer key. Oxford University Press.
Цитирование в стиле Чикаго (17-е изд.)Sahanaya, Wendy, и Terri Hughes. IELTS Preparation and Practice: Practice Tests with Annotated Answer Key. Victoria: Oxford University Press, 2002.
Цитирование MLA (8-е изд.)Sahanaya, Wendy, и Terri Hughes. IELTS Preparation and Practice: Practice Tests with Annotated Answer Key. Oxford University Press, 2002.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.