Roberts Smith, E. (1971). Maestros de juventudes: Brenes Mesén - García Monge. Editorial don Quijote.
Chicago-čujuhus (17. p.)Roberts Smith, Edward. Maestros De Juventudes: Brenes Mesén - García Monge. San José, Costa Rica: Editorial don Quijote, 1971.
MLA-čujuhus (9. p.)Roberts Smith, Edward. Maestros De Juventudes: Brenes Mesén - García Monge. Editorial don Quijote, 1971.
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