MacAndrew, R. (2001). A puzzle forlogan. Cambridge University Press.
Chicago Style (17th ed.) ZitazioaMacAndrew, Richard. A Puzzle Forlogan. Cambridge: Cambridge University Press, 2001.
MLA (9th ed.) ZitazioaMacAndrew, Richard. A Puzzle Forlogan. Cambridge University Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.