Boardman, J., & Sauser, B. (2013). Systemic thinking: Building maps of worlds of systems. Wiley.
Dyfyniad Arddull ChicagoBoardman, John, and Brian Sauser. Systemic Thinking: Building Maps of Worlds of Systems. Hoboken, N.J.: Wiley, 2013.
Dyfyniad MLABoardman, John, and Brian Sauser. Systemic Thinking: Building Maps of Worlds of Systems. Wiley, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.