एपीए उद्धरण

Crowther, J. (1980). Introductory crosswords: For learners of English as a foreign language. Tokyo: Oxford University Press.

शिकागो स्टाइल उद्धरण

Crowther, Jonathan. Introductory Crosswords: For Learners of English As a Foreign Language. Tokyo: Oxford University Press, 1980.

एमएलए उद्धरण

Crowther, Jonathan. Introductory Crosswords: For Learners of English As a Foreign Language. Tokyo: Oxford University Press, 1980.