Gaklik, É. S., & Saad, D. d. S. (2013). Theo Wiederspahn: Work and heritage legacy present in the architecture of Santa Maria (Rio Grande do Sul State, Brazil). Unisinos.
Chicago-stil citatGaklik, Émille Schmidt, och Denise de Souza Saad. Theo Wiederspahn: Work and Heritage Legacy Present in the Architecture of Santa Maria (Rio Grande Do Sul State, Brazil). Unisinos, 2013.
MLA-referensGaklik, Émille Schmidt, och Denise de Souza Saad. Theo Wiederspahn: Work and Heritage Legacy Present in the Architecture of Santa Maria (Rio Grande Do Sul State, Brazil). Unisinos, 2013.
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