Hart, G. B., & Guy Brook-Hart; Lê Huy Lâm. (2004). Instant IELTS: Ready-to-use tasks and activities. Tp. Hồ Chí Minh,Tổng hợp Tp. Hồ Chí Minh.
استشهاد بنمط شيكاغوHart, Guy Brook, و Guy Brook-Hart; Lê Huy Lâm. Instant IELTS: Ready-to-use Tasks and Activities. Tp. Hồ Chí Minh,Tổng hợp Tp. Hồ Chí Minh, 2004.
MLA استشهادHart, Guy Brook, و Guy Brook-Hart; Lê Huy Lâm. Instant IELTS: Ready-to-use Tasks and Activities. Tp. Hồ Chí Minh,Tổng hợp Tp. Hồ Chí Minh, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.