एपीए उद्धरण

Langford, C. H. (1973). BASIC equilibrium calculations. addison-wesley publishing co.

शिकागो स्टाइल उद्धरण

Langford, Cooper H. BASIC Equilibrium Calculations. London: addison-wesley publishing co, 1973.

एमएलए उद्धरण

Langford, Cooper H. BASIC Equilibrium Calculations. addison-wesley publishing co, 1973.