Doyle, A. C., & Collins, A. (2005). The lost world (abridged version): 3 (elementary level). Macmillan.
Chicago-čujuhus (17. p.)Doyle, Arthur Conan, juo Anne Collins. The Lost World (abridged Version): 3 (elementary Level). Oxford: Macmillan, 2005.
MLA-čujuhus (9. p.)Doyle, Arthur Conan, juo Anne Collins. The Lost World (abridged Version): 3 (elementary Level). Macmillan, 2005.
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