APA aipamena

Emery, F. E. (1981). Systems thiking: Selected readings (Rev. ed.). Penguin Education.

Chicago Style aipamena

Emery, Frederick Edmund. Systems Thiking: Selected Readings. Rev. ed. Middlesex, Eng: Penguin Education, 1981.

MLA aipamena

Emery, Frederick Edmund. Systems Thiking: Selected Readings. Rev. ed. Penguin Education, 1981.