Cita APA (7th ed.)

ALEXANDER, L. (1980). Question and answeer graded oral comprehension exercise. Kanisius.

Cita Chicago (17th ed.)

ALEXANDER, L.G. Question and Answeer Graded Oral Comprehension Exercise. Yogyakarta: Kanisius, 1980.

Cita MLA (9th ed.)

ALEXANDER, L.G. Question and Answeer Graded Oral Comprehension Exercise. Kanisius, 1980.