(1991). Ayer. Marcial Pons.
Chicago Style (17th ed.) CitationAyer. Madrid: Marcial Pons, 1991.
MLA (8th ed.) CitationAyer. Marcial Pons, 1991.
Warning: These citations may not always be 100% accurate.
(1991). Ayer. Marcial Pons.
Chicago Style (17th ed.) CitationAyer. Madrid: Marcial Pons, 1991.
MLA (8th ed.) CitationAyer. Marcial Pons, 1991.