Cita APA (7a ed.)

ALEXANDER, L. (1986). Question and answer graded oral comprehension exercises. Kanisius.

Cita Chicago Style (17a ed.)

ALEXANDER, L.G. Question and Answer Graded Oral Comprehension Exercises. Kanisius, 1986.

Cita MLA (8a ed.)

ALEXANDER, L.G. Question and Answer Graded Oral Comprehension Exercises. Kanisius, 1986.