Blauberg, I. V. E. (1977). Systems theory: Philosophical and methodological problems. Progress pubs.
शिकागो स्टाइल उद्धरणBlauberg, I. V. Etc. Systems Theory: Philosophical and Methodological Problems. Progress pubs, 1977.
एमएलए उद्धरणBlauberg, I. V. Etc. Systems Theory: Philosophical and Methodological Problems. Progress pubs, 1977.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.