Karsen, S. P., & Ritter, M. Stefan Zweig's and Gilberto Freyre's View of Brazil as Country of the Future: Sonja P. Karsen. Mark Ritter. Latin America and the literature of exile : a comparative view of the 20. century European refugee writers in the New World.(1983).
Chicago-viite (17. p.)Karsen, Sonja P., ja Mark Ritter. "Stefan Zweig's and Gilberto Freyre's View of Brazil as Country of the Future: Sonja P. Karsen. Mark Ritter." Latin America and the Literature of Exile : A Comparative View of the 20. Century European Refugee Writers in the New World.(1983) .
MLA-viite (8. p.)Karsen, Sonja P., ja Mark Ritter. "Stefan Zweig's and Gilberto Freyre's View of Brazil as Country of the Future: Sonja P. Karsen. Mark Ritter." Latin America and the Literature of Exile : A Comparative View of the 20. Century European Refugee Writers in the New World.(1983), .