एपीए उद्धरण

O;Connor, J. (1967). Better English Pronunciation. English Language Book Society.

शिकागो स्टाइल उद्धरण

O;Connor, J.D. Better English Pronunciation. Cambridge: English Language Book Society, 1967.

एमएलए उद्धरण

O;Connor, J.D. Better English Pronunciation. English Language Book Society, 1967.