एपीए उद्धरण

Greenspan, D. (1961). Introduction to partial differential equations. McGraw-Hill.

शिकागो स्टाइल उद्धरण

Greenspan, Donald. Introduction to Partial Differential Equations. Bombay: McGraw-Hill, 1961.

एमएलए उद्धरण

Greenspan, Donald. Introduction to Partial Differential Equations. McGraw-Hill, 1961.