Du Bray, E. A., & Snee, L. W. (2002). Composition, age, and petrogenesis of late Cretaceous intrusive rocks in the central Big Belt Mountains, Broadwater and Meagher counties, Montana. U.S. Dept. of the Interior, U.S. Geological Survey.
Cita Chicago (17th ed.)Du Bray, E. A., i Lawrence W. Snee. Composition, Age, and Petrogenesis of Late Cretaceous Intrusive Rocks in the Central Big Belt Mountains, Broadwater and Meagher Counties, Montana. [Reston, VA]: U.S. Dept. of the Interior, U.S. Geological Survey, 2002.
Cita MLA (9th ed.)Du Bray, E. A., i Lawrence W. Snee. Composition, Age, and Petrogenesis of Late Cretaceous Intrusive Rocks in the Central Big Belt Mountains, Broadwater and Meagher Counties, Montana. U.S. Dept. of the Interior, U.S. Geological Survey, 2002.