Harris, D. (1987). Openness and closure in distance education / David Harris. Falmer.
Chicago Style (17th ed.) CitationHarris, David. Openness and Closure in Distance Education / David Harris. London: Falmer, 1987.
MLA (9th ed.) CitationHarris, David. Openness and Closure in Distance Education / David Harris. Falmer, 1987.
Warning: These citations may not always be 100% accurate.