Grafen, A., & Johnstone, R. (1993). Why we need ESS signalling theory.
芝加哥风格引文Grafen, A., 与 R. Johnstone. Why We Need ESS Signalling Theory. 1993.
MLA引文Grafen, A., 与 R. Johnstone. Why We Need ESS Signalling Theory. 1993.
警告：这些引文格式不一定是100％准确.
APA引文