Cita APA

Harris, W. J. A. (1975). The distance tutor: Education by correspondence. [Department of Adult Education, University of Manchester].

Citación estilo Chicago

Harris, W. J. A. The Distance Tutor: Education by Correspondence. [Manchester]: [Department of Adult Education, University of Manchester], 1975.

Cita MLA

Harris, W. J. A. The Distance Tutor: Education by Correspondence. [Department of Adult Education, University of Manchester], 1975.