Gale, S. J. (1991). Quaternary sediments: Petrographic methods for the study of unlithified rocks. Wiley.
Citazione stile Chigago Style (17a edizione)Gale, Stephen J. Quaternary Sediments: Petrographic Methods for the Study of Unlithified Rocks. New York: Wiley, 1991.
Citatione MLA (9a ed.)Gale, Stephen J. Quaternary Sediments: Petrographic Methods for the Study of Unlithified Rocks. Wiley, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.