APA ציטוט

Mattessich, R. (1978). Instrumental reasoning and systems methodology. Theory and decision library 15.

Chicago Style Citation

Mattessich, Richard. "Instrumental Reasoning and Systems Methodology." Theory and Decision Library 15 1978.

ציטוט MLA

Mattessich, Richard. "Instrumental Reasoning and Systems Methodology." Theory and Decision Library 15 1978.