Geyer, R. F. (1978). Sociocybernetics. Leiden: Martinus Nijhoff Social Sciences Division.
Trích dẫn kiểu ChicagoGeyer, R. F. Sociocybernetics. Leiden: Martinus Nijhoff Social Sciences Division, 1978.
Deismireacht MLAGeyer, R. F. Sociocybernetics. Leiden: Martinus Nijhoff Social Sciences Division, 1978.
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