Gutiérrez Bello, M., & Velilla Robertín, A. (1987). English for Spanish personnel: An English for special purposes book. Scott, Foresman.
Style de citation Chicago (17e éd.)Gutiérrez Bello, Marta, et Angie Velilla Robertín. English for Spanish Personnel: An English for Special Purposes Book. Glenview, Illinois: Scott, Foresman, 1987.
Style de citation MLA (9e éd.)Gutiérrez Bello, Marta, et Angie Velilla Robertín. English for Spanish Personnel: An English for Special Purposes Book. Scott, Foresman, 1987.
Attention : ces citations peuvent ne pas être correctes à 100%.