Cita APA (7a ed.)
ebrary, Inc, Coulmas, F., & Ehlich, K. (1983). Writing in focus. Mouton.
Cita Chicago Style (17a ed.)
ebrary, Inc, Florian Coulmas, y Konrad Ehlich. Writing in Focus. Berlin ; New York: Mouton, 1983.
Cita MLA (9a ed.)
ebrary, Inc, et al. Writing in Focus. Mouton, 1983.
Precaución: Estas citas no son 100% exactas.