एपीए उद्धरण

(2008). Revolish Toefl IBT Prep Four Skill Reading, Writing, Listening and Speaking, level 2 (Kèm theo CD1-2/897-00).

शिकागो स्टाइल उद्धरण

Revolish Toefl IBT Prep Four Skill Reading, Writing, Listening and Speaking, Level 2 (Kèm Theo CD1-2/897-00). 2008.

एमएलए उद्धरण

Revolish Toefl IBT Prep Four Skill Reading, Writing, Listening and Speaking, Level 2 (Kèm Theo CD1-2/897-00). 2008.