Cita APA

Alexander, L. G., & Ferguson, P. (1977). Question and answer: Graded oral comprehension exercises. Hong Kong: Longman.

Citación estilo Chicago

Alexander, L. G., y Peter Ferguson. Question and Answer: Graded Oral Comprehension Exercises. Hong Kong: Longman, 1977.

Cita MLA

Alexander, L. G., y Peter Ferguson. Question and Answer: Graded Oral Comprehension Exercises. Hong Kong: Longman, 1977.

Precaución: Estas citas no son 100% exactas.