एपीए उद्धरण

Johnson, L. A. (1959). Employing the hard-core unemployed. American Management Association Inc.

शिकागो स्टाइल उद्धरण

Johnson, Lawrence A. Employing the Hard-core Unemployed. United states: American Management Association Inc, 1959.

एमएलए उद्धरण

Johnson, Lawrence A. Employing the Hard-core Unemployed. American Management Association Inc, 1959.