एपीए उद्धरण

Collins, A., & Doyle, A. C. (2005). The lost world: Elementary level. London: Macmillan Education.

शिकागो स्टाइल उद्धरण

Collins, Anne., और Arthur Conan Doyle. The Lost World: Elementary Level. London: Macmillan Education, 2005.

एमएलए उद्धरण

Collins, Anne., और Arthur Conan Doyle. The Lost World: Elementary Level. London: Macmillan Education, 2005.