APA-ийн эшлэл(7 дахь хэвлэлт)
United States Department of Labor & Perkins, F. (1934). Immigration Laws and rules of january 1. 1930 with amendments from january 1,1930 to july 11,1932. United States Government Printing Office.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
United States Department of Labor ба Frances Perkins. Immigration Laws and Rules of January 1. 1930 with Amendments from January 1,1930 to July 11,1932. Washington: United States Government Printing Office, 1934.
MLA -ийн эшлэл (9 дэх хэвлэлт)
United States Department of Labor ба Frances Perkins. Immigration Laws and Rules of January 1. 1930 with Amendments from January 1,1930 to July 11,1932. United States Government Printing Office, 1934.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.