एपीए उद्धरण

Jakeman, V., & McDowell, C. (2004). Insight into IELTS. ĐN.: NXB Đà Nẵng.

शिकागो स्टाइल उद्धरण

Jakeman, Vanessa., और Clare McDowell. Insight Into IELTS. ĐN.: NXB Đà Nẵng, 2004.

एमएलए उद्धरण

Jakeman, Vanessa., और Clare McDowell. Insight Into IELTS. ĐN.: NXB Đà Nẵng, 2004.