Struik, D. (1961). Lectures on classical differential geometry. Addison-Wesley.
Citazione stile Chigago Style (17a edizione)Struik, Dirk. Lectures on Classical Differential Geometry. Reading, Mass: Addison-Wesley, 1961.
Citatione MLA (9a ed.)Struik, Dirk. Lectures on Classical Differential Geometry. Addison-Wesley, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.