Collins, V. (1984). Recreation and the Law. E & F.N Spon.
Chicago Style aipamenaCollins, Valerie. Recreation and the Law. London: E & F.N Spon, 1984.
MLA aipamenaCollins, Valerie. Recreation and the Law. E & F.N Spon, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.