एपीए उद्धरण

Hormander, L. (1969). Linear partial differential operators. Berlin.

शिकागो स्टाइल उद्धरण

Hormander, Lars. Linear Partial Differential Operators. Berlin, 1969.

एमएलए उद्धरण

Hormander, Lars. Linear Partial Differential Operators. Berlin, 1969.