एपीए उद्धरण

(2009). Hooked on TOEFL iBT: Speaking. Tp. Hồ Chí Minh: Tổng hợp.

शिकागो स्टाइल उद्धरण

Hooked On TOEFL IBT: Speaking. Tp. Hồ Chí Minh: Tổng hợp, 2009.

एमएलए उद्धरण

Hooked On TOEFL IBT: Speaking. Tp. Hồ Chí Minh: Tổng hợp, 2009.