Pumpelly R. Raphael, Wolff J. E., & Dale T. N. T. Nelson. (1894). The Geology of the Green Mountains in Massaachusetts. Washington, Governmext Printing Office, 1894.
Lua i Stíl Chicago (17ú heag.)Pumpelly R. Raphael, Wolff J. E., agus Dale T. N. T. Nelson. The Geology of the Green Mountains in Massaachusetts. Washington, Governmext Printing Office, 1894, 1894.
Lua MLA (9ú heag.)Pumpelly R. Raphael, et al. The Geology of the Green Mountains in Massaachusetts. Washington, Governmext Printing Office, 1894, 1894.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.