एपीए उद्धरण

Sarao, A. . S. (1977). Refrigeration and air conditioning. Satya prakashan.

शिकागो स्टाइल उद्धरण

Sarao, A S. Refrigeration and Air Conditioning. New delhi: Satya prakashan, 1977.

एमएलए उद्धरण

Sarao, A S. Refrigeration and Air Conditioning. Satya prakashan, 1977.