Cita APA (7th ed.)

Alexander, L. G. (1965). A First book in comprehension , precis and composition. Longman.

Cita Chicago (17th ed.)

Alexander, L. G. A First Book in Comprehension , Precis and Composition. London: Longman, 1965.

Cita MLA (9th ed.)

Alexander, L. G. A First Book in Comprehension , Precis and Composition. Longman, 1965.