(1978). Axion systems. M K Open Univ.Press.
Chicago Style aipamenaAxion Systems. Walton Hall: M K Open Univ.Press, 1978.
MLA aipamenaAxion Systems. M K Open Univ.Press, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1978). Axion systems. M K Open Univ.Press.
Chicago Style aipamenaAxion Systems. Walton Hall: M K Open Univ.Press, 1978.
MLA aipamenaAxion Systems. M K Open Univ.Press, 1978.