Gates, B. (1996). Camino al futuro (2a. ed.). McGraw Hill.
Chicago Style (17th ed.) CitationGates, Bill. Camino Al Futuro. 2a. ed. Madrid: McGraw Hill, 1996.
MLA (9th ed.) CitationGates, Bill. Camino Al Futuro. 2a. ed. McGraw Hill, 1996.
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