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.
استشهاد بنمط شيكاغوGaklik, Émille Schmidt, و 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 استشهادGaklik, Émille Schmidt, و 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.