Schiffrin, R. S. (1970). English in action: A course for spanish speaking commercial students. Longman.
Cita Chicago Style (17a ed.)Schiffrin, R. S. English in Action: A Course for Spanish Speaking Commercial Students. Gran Bretaña: Longman, 1970.
Cita MLA (9a ed.)Schiffrin, R. S. English in Action: A Course for Spanish Speaking Commercial Students. Longman, 1970.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.