APA aipamena

Thomas, A. J., & Douglas, I. J. (1981). Audit of Computer Systems. NCC.

Chicago Style aipamena

Thomas, A. J., and I. J. Douglas. Audit of Computer Systems. England: NCC, 1981.

MLA aipamena

Thomas, A. J., and I. J. Douglas. Audit of Computer Systems. NCC, 1981.