Foster 1969，第18頁 Foster, David William, The Myth of Paraguay in the Fiction of Augusto Roa Bastos, Chapel Hill: University of South Carolina Press, 1969, OCLC 35264
Foster 1969，第11頁 Foster, David William, The Myth of Paraguay in the Fiction of Augusto Roa Bastos, Chapel Hill: University of South Carolina Press, 1969, OCLC 35264
Foster 1969，第19頁 Foster, David William, The Myth of Paraguay in the Fiction of Augusto Roa Bastos, Chapel Hill: University of South Carolina Press, 1969, OCLC 35264
Foster 1969，第14頁 Foster, David William, The Myth of Paraguay in the Fiction of Augusto Roa Bastos, Chapel Hill: University of South Carolina Press, 1969, OCLC 35264
