Cita APA (7a ed.)
Alexander, L. (1980). Developing skills: <an> integrated course for intermediate students. Longman.
Cita Chicago Style (17a ed.)
Alexander, L.G. Developing Skills: <an> Integrated Course for Intermediate Students. London: Longman, 1980.
Cita MLA (9a ed.)
Alexander, L.G. Developing Skills: <an> Integrated Course for Intermediate Students. Longman, 1980.
Precaución: Estas citas no son 100% exactas.