एपीए उद्धरण

Donaldson, P. (1977). Economics of the real world. London: Penguin Books.

शिकागो स्टाइल उद्धरण

Donaldson, Peter. Economics of the Real World. London: Penguin Books, 1977.

एमएलए उद्धरण

Donaldson, Peter. Economics of the Real World. London: Penguin Books, 1977.