Trinity College of Music. Syllabus of local and diploma examinations in speech. The Board, Trinity College of Music.
Cita Chicago (17th ed.)Trinity College of Music. Syllabus of Local and Diploma Examinations in Speech. London: The Board, Trinity College of Music.
Cita MLA (8th ed.)Trinity College of Music. Syllabus of Local and Diploma Examinations in Speech. The Board, Trinity College of Music.
Atenció: Aquestes cites poden no estar 100% correctes.