Byrne, D. (1969). English teaching extracts. Longman.
Cita Chicago (17th ed.)Byrne, Donn. English Teaching Extracts. London: Longman, 1969.
Cita MLA (9th ed.)Byrne, Donn. English Teaching Extracts. Longman, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.