Robinson, G. P. (1969). The geology of North Santo. British Service.
Chicago Style aipamenaRobinson, G. P. The Geology of North Santo. New Hebrides: British Service, 1969.
MLA aipamenaRobinson, G. P. The Geology of North Santo. British Service, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.