APA (7e ed.) Bronvermelding

(2014). 2012 Survey of employment in establishments with 20 or more workers: Statistics on non-regular workers (second of a series). Labstat Updates.

Chicago (17e ed.) Bronvermelding

"2012 Survey of Employment in Establishments with 20 or More Workers: Statistics on Non-regular Workers (second of a Series)." Labstat Updates 2014.

MLA (9e ed.) Bronvermelding

"2012 Survey of Employment in Establishments with 20 or More Workers: Statistics on Non-regular Workers (second of a Series)." Labstat Updates, 2014.