World Conference on Computers in Education Lozanna & IFIP Technical Committee 3. (1981). Computers in education: Proceedings of the IFIP TC-3 : 3rd World Conference on Computers in Education, Lausanne, Switzerland, July 27-31, 1981. North-Holland Publishing Company.
Cita Chicago Style (17a ed.)World Conference on Computers in Education Lozanna y IFIP Technical Committee 3. Computers in Education: Proceedings of the IFIP TC-3 : 3rd World Conference on Computers in Education, Lausanne, Switzerland, July 27-31, 1981. Amsterdam [etc.]: North-Holland Publishing Company, 1981.
Cita MLA (9a ed.)World Conference on Computers in Education Lozanna y IFIP Technical Committee 3. Computers in Education: Proceedings of the IFIP TC-3 : 3rd World Conference on Computers in Education, Lausanne, Switzerland, July 27-31, 1981. North-Holland Publishing Company, 1981.