Behar, N. T., & Neal, R. (2018). The Tunnel by Ernesto Sábato: Book Analysis. BrightSummaries.com.
Čikaški stil citiranja (17. izdanje)Behar, Natalia Torres, i Rebecca Neal. The Tunnel by Ernesto Sábato: Book Analysis. Bruxelles: BrightSummaries.com, 2018.
MLA način citiranja (8. izdanje)Behar, Natalia Torres, i Rebecca Neal. The Tunnel by Ernesto Sábato: Book Analysis. BrightSummaries.com, 2018.
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