Shakespear de Bignon, R. (1966). English lessons (9th ed.). Stella.
Cita Chicago Style (17a ed.)Shakespear de Bignon, Renée. English Lessons. 9th ed. Buenos Aires: Stella, 1966.
Cita MLA (9a ed.)Shakespear de Bignon, Renée. English Lessons. 9th ed. Stella, 1966.
警告：这些引文格式不一定是100％准确.