Cita APA (7a ed.)

Andújar y Dixson, J. y. R. Graded exercises in spanish. Prentice Hall Regents Englewood Cliffs, N.J.

Cita Chicago Style (17a ed.)

Andújar y Dixson, Julio y Robert. Graded Exercises in Spanish. [Lugar de publicación no identificado]: Prentice Hall Regents Englewood Cliffs, N.J.

Cita MLA (9a ed.)

Andújar y Dixson, Julio y Robert. Graded Exercises in Spanish. Prentice Hall Regents Englewood Cliffs, N.J.