एपीए उद्धरण

productivity Services International. (1971). Handbook of 100 new small industry schemes part II. Productivity services international.

शिकागो स्टाइल उद्धरण

productivity Services International. Handbook of 100 New Small Industry Schemes Part II. Bombay: Productivity services international, 1971.

एमएलए उद्धरण

productivity Services International. Handbook of 100 New Small Industry Schemes Part II. Productivity services international, 1971.