(1993). Language and content: Discipline-and content-based approaches to language study. Lexington, MA: D.C. Heath.
Παραπομπή Chicago StyleLanguage and Content: Discipline-and Content-based Approaches to Language Study. Lexington, MA: D.C. Heath, 1993.
Παραπομπή MLALanguage and Content: Discipline-and Content-based Approaches to Language Study. Lexington, MA: D.C. Heath, 1993.
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