Dyfyniad APA

Blauberg, I. V. E. (1977). Systems theory: Philosophical and methodological problems. Progress pubs.

Dyfyniad Arddull Chicago

Blauberg, I. V. Etc. Systems Theory: Philosophical and Methodological Problems. Progress pubs, 1977.

Dyfyniad MLA

Blauberg, I. V. Etc. Systems Theory: Philosophical and Methodological Problems. Progress pubs, 1977.

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