Symposium on the Future as an Academic Discipline London, England, & ebrary, Inc. (1975). The future as an academic discipline. Elsevier/Excerpta Medica/North-Holland ; American Elsevier.
Cita Chicago (17th ed.)Symposium on the Future as an Academic Discipline London, England, i Inc ebrary. The Future as an Academic Discipline. Amsterdam : New York: Elsevier/Excerpta Medica/North-Holland ; American Elsevier, 1975.
Cita MLA (9th ed.)Symposium on the Future as an Academic Discipline London, England, i Inc ebrary. The Future as an Academic Discipline. Elsevier/Excerpta Medica/North-Holland ; American Elsevier, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.