Koerner, J. L. Bosch's Contingency: Joseph L. Koerner. Kontingenz.(1998).
Lua i Stíl Chicago (17ú heag.)Koerner, Joseph L. "Bosch's Contingency: Joseph L. Koerner." Kontingenz.(1998) .
Lua MLA (8ú heag.)Koerner, Joseph L. "Bosch's Contingency: Joseph L. Koerner." Kontingenz.(1998), .
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