एपीए उद्धरण

Keen, D. (1994). Developing vocabulary skills. Boston, MA: Thomson/Heinle.

शिकागो स्टाइल उद्धरण

Keen, Denis. Developing Vocabulary Skills. Boston, MA: Thomson/Heinle, 1994.

एमएलए उद्धरण

Keen, Denis. Developing Vocabulary Skills. Boston, MA: Thomson/Heinle, 1994.