APA-viite (7. p.)
Challen, S. (2014). Measuring change in immigration policy. LFB Scholarly Pub. LLC.
Chicago-viite (17. p.)
Challen, Suzanna. Measuring Change in Immigration Policy. El Paso: LFB Scholarly Pub. LLC, 2014.
MLA-viite (9. p.)
Challen, Suzanna. Measuring Change in Immigration Policy. LFB Scholarly Pub. LLC, 2014.
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