Lua APA (7ú heag.)

Helscher, T. P. The subject of genre: Thomas P. Helscher. Genre and writing : issues, arguments, alternatives.(1997).

Lua i Stíl Chicago (17ú heag.)

Helscher, Thomas P. "The Subject of Genre: Thomas P. Helscher." Genre and Writing : Issues, Arguments, Alternatives.(1997) .

Lua MLA (8ú heag.)

Helscher, Thomas P. "The Subject of Genre: Thomas P. Helscher." Genre and Writing : Issues, Arguments, Alternatives.(1997), .

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