(2014). 2012 Survey of employment in establishments with 20 or more workers: Statistics on non-regular workers (second of a series). Labstat Updates.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"2012 Survey of Employment in Establishments with 20 or More Workers: Statistics on Non-regular Workers (second of a Series)." Labstat Updates 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"2012 Survey of Employment in Establishments with 20 or More Workers: Statistics on Non-regular Workers (second of a Series)." Labstat Updates, 2014.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.