Escultura, E. E. (1991). Introduction to qualitative control theory / Edgar E. Escultura. Kalikasan Press.
Chicago (17e ed.) BronvermeldingEscultura, Eddie E. Introduction to Qualitative Control Theory / Edgar E. Escultura. Manila: Kalikasan Press, 1991.
MLA (9e ed.) BronvermeldingEscultura, Eddie E. Introduction to Qualitative Control Theory / Edgar E. Escultura. Kalikasan Press, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.