एपीए उद्धरण

Cunningham, S. (2004). American cutting egde: Students' book. Hong Kong: Longman.

शिकागो स्टाइल उद्धरण

Cunningham, Sarrah. American Cutting Egde: Students' Book. Hong Kong: Longman, 2004.

एमएलए उद्धरण

Cunningham, Sarrah. American Cutting Egde: Students' Book. Hong Kong: Longman, 2004.