Spence, D. P. Die Sherlock-Holmes-Tradition: Die narrative Metapher: Donald P. Spence. Metaphernanalyse.(1993).
Lua i Stíl Chicago (17ú heag.)Spence, Donald P. "Die Sherlock-Holmes-Tradition: Die Narrative Metapher: Donald P. Spence." Metaphernanalyse.(1993) .
Lua MLA (8ú heag.)Spence, Donald P. "Die Sherlock-Holmes-Tradition: Die Narrative Metapher: Donald P. Spence." Metaphernanalyse.(1993), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.