Lua APA (7ú heag.)

Crisafulli, A. S. Helmut A. Hatzfeld: Alessandro S. Crisafulli. Linguistic and literary studies : in honor of Helmut A. Hatzfeld.(1964).

Lua i Stíl Chicago (17ú heag.)

Crisafulli, Alessandro S. "Helmut A. Hatzfeld: Alessandro S. Crisafulli." Linguistic and Literary Studies : In Honor of Helmut A. Hatzfeld.(1964) .

Lua MLA (8ú heag.)

Crisafulli, Alessandro S. "Helmut A. Hatzfeld: Alessandro S. Crisafulli." Linguistic and Literary Studies : In Honor of Helmut A. Hatzfeld.(1964), .

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