Robinson, H. (1926). A Geography of tourism. Macdonald & Evans.
Chicago Style (17th ed.) ZitazioaRobinson, H. A Geography of Tourism. London: Macdonald & Evans, 1926.
MLA (9th ed.) ZitazioaRobinson, H. A Geography of Tourism. Macdonald & Evans, 1926.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.