Boothby, W. M. (1975). An introduction to differentiable manifolds and Riemannian geometry. Academic Press.
Цитирование в стиле Чикаго (17-е изд.)Boothby, William M. An Introduction to Differentiable Manifolds and Riemannian Geometry. New York, USA: Academic Press, 1975.
Цитирование MLA (9-е изд.)Boothby, William M. An Introduction to Differentiable Manifolds and Riemannian Geometry. Academic Press, 1975.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.