एपीए उद्धरण

Harman, N. (1968). Trade unions. London: The Economist Newspaper Ltd.

शिकागो स्टाइल उद्धरण

Harman, Nicholas. Trade Unions. London: The Economist Newspaper Ltd, 1968.

एमएलए उद्धरण

Harman, Nicholas. Trade Unions. London: The Economist Newspaper Ltd, 1968.