APA Style

BABU,J., S, E, X, A, J, C. (1999). Principles of Control Systems (1). NEW DELHI: S. Chand & Company Ltd..

MLA Style

BABU,J., S.P., EUGENE, XAVIER, And, JOSEPH, CYRIL. "Principles of Control Systems". 1 NEW DELHI: S. Chand & Company Ltd., 1999. BOOK.