APA-ийн эшлэл(7 дахь хэвлэлт)

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.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Symposium on the Future as an Academic Discipline London, England, ба Inc ebrary. The Future as an Academic Discipline. Amsterdam : New York: Elsevier/Excerpta Medica/North-Holland ; American Elsevier, 1975.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Symposium on the Future as an Academic Discipline London, England, ба Inc ebrary. The Future as an Academic Discipline. Elsevier/Excerpta Medica/North-Holland ; American Elsevier, 1975.

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