Cita APA

Jordan Geoff, & Castillo Beatriz del. (1990). English through computers (1. ed.). Madrid: McGraw Hill.

Citación estilo Chicago

Jordan Geoff, y Castillo Beatriz del. English Through Computers. 1. ed. Madrid: McGraw Hill, 1990.

Cita MLA

Jordan Geoff, y Castillo Beatriz del. English Through Computers. 1. ed. Madrid: McGraw Hill, 1990.