APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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