Escultura, E. E. (1991). Introduction to qualitative control theory / Edgar E. Escultura. Kalikasan Press.
芝加哥风格引文Escultura, Eddie E. Introduction to Qualitative Control Theory / Edgar E. Escultura. Manila: Kalikasan Press, 1991.
MLA引文Escultura, Eddie E. Introduction to Qualitative Control Theory / Edgar E. Escultura. Kalikasan Press, 1991.
警告：这些引文格式不一定是100％准确.