एपीए उद्धरण

Sturik, D. J. (1961). Lectures on classical differential geometry (23.).

शिकागो स्टाइल उद्धरण

Sturik, Dirk J. Lectures on Classical Differential Geometry. 23. Addison-Wesley Publishing Co. Inc., Massachusetts, 1961.

एमएलए उद्धरण

Sturik, Dirk J. Lectures on Classical Differential Geometry. 23. 1961.