Little, D. L. (1970). Models and simulation: Some definitions. Unstitute for the Future.
芝加哥风格引文Little, Dennis L. Models and Simulation: Some Definitions. Middletown, Conn.: Unstitute for the Future, 1970.
MLA引文Little, Dennis L. Models and Simulation: Some Definitions. Unstitute for the Future, 1970.
警告：这些引文格式不一定是100％准确.