Cervo, A. L., & Bervian, P. A. Metodología cientifica.
Chicago Style (17th ed.) CitationCervo, Amado Luiz, and Pedro Alcino Bervian. Metodología Cientifica.
MLA (8th ed.) CitationCervo, Amado Luiz, and Pedro Alcino Bervian. Metodología Cientifica.
Warning: These citations may not always be 100% accurate.