एपीए उद्धरण

(1952). Industrial sickness absenteeism: Last Two Quarters, 1951.

शिकागो स्टाइल उद्धरण

Industrial Sickness Absenteeism: Last Two Quarters, 1951. 1952.

एमएलए उद्धरण

Industrial Sickness Absenteeism: Last Two Quarters, 1951. 1952.