Cita APA (7a ed.)
Alexander, L. G. (1978). Practice and Progress. An Integrated Course for pre-intermediate students (22. Edition.). Lonman.
Cita Chicago Style (17a ed.)
Alexander, Louis George. Practice and Progress. An Integrated Course for Pre-intermediate Students. 22. Edition. London: Lonman, 1978.
Cita MLA (9a ed.)
Alexander, Louis George. Practice and Progress. An Integrated Course for Pre-intermediate Students. 22. Edition. Lonman, 1978.
Precaución: Estas citas no son 100% exactas.