Brugger, K., & Daniken, p. E. v. (1980). A crónica de Akakor. Bertrand.
Chicago Style (17th ed.) CitationBrugger, Karl, and pref. Erich von Daniken. A Crónica De Akakor. Bertrand, 1980.
MLA (8th ed.) CitationBrugger, Karl, and pref. Erich von Daniken. A Crónica De Akakor. Bertrand, 1980.
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