Cita APA (7th ed.)

MacDonald, G. R. (1929). Lessons in Spanish Commercial Correspondence. Sir Isaac Pitman and Sons, Ltd.

Cita Chicago (17th ed.)

MacDonald, George Robert. Lessons in Spanish Commercial Correspondence. Londres: Sir Isaac Pitman and Sons, Ltd, 1929.

Cita MLA (9th ed.)

MacDonald, George Robert. Lessons in Spanish Commercial Correspondence. Sir Isaac Pitman and Sons, Ltd, 1929.