Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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