Pemberton, J. E. (1971). British official publications[1971]. Pergamon Press.
Chicago Style aipamenaPemberton, John E. British Official Publications[1971]. Pergamon Press, 1971.
MLA aipamenaPemberton, John E. British Official Publications[1971]. Pergamon Press, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.