Reis da Silva, S. (2019). A selection of relevant Portuguese children's literature published in the period of World War I: A selection of relevant Portuguese children's literature published in the period of World War I [Elektronička građa]. Libri et liberi (Online).
Chicago stil citiranjaReis da Silva, Sara. "A selection of relevant Portuguese children's literature published in the period of World War I: A selection of relevant Portuguese children's literature published in the period of World War I [Elektronička građa]." 2019.
MLA stil citiranjaReis da Silva, Sara. "A selection of relevant Portuguese children's literature published in the period of World War I: A selection of relevant Portuguese children's literature published in the period of World War I [Elektronička građa]." 2019.