Wallace, A. R. Is Mars habitable? A critical examination of Professor Percival Lowell's book "Mars and its canals," with an alternative explanation.
Čikaški stil citiranja (17. izdanje)Wallace, Alfred Russel. Is Mars Habitable? A Critical Examination of Professor Percival Lowell's Book "Mars and Its Canals," with an Alternative Explanation.
MLA način citiranja (9. izdanje)Wallace, Alfred Russel. Is Mars Habitable? A Critical Examination of Professor Percival Lowell's Book "Mars and Its Canals," with an Alternative Explanation.
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