Debain, P., & Barbary, G. J. (1972). Standards and specifications for the preparation of geological maps. Dept. of Energy, Mines and Resources.
Chicago Style aipamenaDebain, P., and G. J. Barbary. Standards and Specifications for the Preparation of Geological Maps. [Ottawa]: Dept. of Energy, Mines and Resources, 1972.
MLA aipamenaDebain, P., and G. J. Barbary. Standards and Specifications for the Preparation of Geological Maps. Dept. of Energy, Mines and Resources, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.