Cita APA (7a ed.)

HILL, L., & MAY, D. (1977). Advanced comprehension and appreciation pieces for overseas students. Oxford University.

Cita Chicago Style (17a ed.)

HILL, L.A, y D.J MAY. Advanced Comprehension and Appreciation Pieces for Overseas Students. Hong Kong: Oxford University, 1977.

Cita MLA (9a ed.)

HILL, L.A, y D.J MAY. Advanced Comprehension and Appreciation Pieces for Overseas Students. Oxford University, 1977.