एपीए उद्धरण

(2008). Face2face: Pre-intermediate student's book. Vietnam: Fahasa.

शिकागो स्टाइल उद्धरण

Face2face: Pre-intermediate Student's Book. Vietnam: Fahasa, 2008.

एमएलए उद्धरण

Face2face: Pre-intermediate Student's Book. Vietnam: Fahasa, 2008.