Marshall, J. (1955). Progressive secretarial course: Combining English, shorthand and typewriting. Anward Arnold.
Citación estilo ChicagoMarshall, J. Progressive Secretarial Course: Combining English, Shorthand and Typewriting. London: Anward Arnold, 1955.
Cita MLAMarshall, J. Progressive Secretarial Course: Combining English, Shorthand and Typewriting. Anward Arnold, 1955.
Warning: These citations may not always be 100% accurate.