Analysis of information sources in references of the Wikipedia article "Người Ba Tư" in Vietnamese language version.
|access-date= (trợ giúp)Quản lý CS1: khác (liên kết) Robson, Barbara and Lipson, Juliene (2002) "Chapter 5(B)- The People: The Tajiks and Other Dari-Speaking Groups" Lưu trữ 2010-01-27 tại Wayback Machine The Afghans - their history and culture Cultural Orientation Resource Center, Center for Applied Linguistics, Washington, D.C., OCLC 56081073.|access-date= (trợ giúp)Quản lý CS1: khác (liên kết) Robson, Barbara and Lipson, Juliene (2002) "Chapter 5(B)- The People: The Tajiks and Other Dari-Speaking Groups" Lưu trữ 2010-01-27 tại Wayback Machine The Afghans - their history and culture Cultural Orientation Resource Center, Center for Applied Linguistics, Washington, D.C., OCLC 56081073.|access-date= (trợ giúp)Quản lý CS1: khác (liên kết) Robson, Barbara and Lipson, Juliene (2002) "Chapter 5(B)- The People: The Tajiks and Other Dari-Speaking Groups" Lưu trữ 2010-01-27 tại Wayback Machine The Afghans - their history and culture Cultural Orientation Resource Center, Center for Applied Linguistics, Washington, D.C., OCLC 56081073.|access-date= (trợ giúp)Quản lý CS1: khác (liên kết) Robson, Barbara and Lipson, Juliene (2002) "Chapter 5(B)- The People: The Tajiks and Other Dari-Speaking Groups" Lưu trữ 2010-01-27 tại Wayback Machine The Afghans - their history and culture Cultural Orientation Resource Center, Center for Applied Linguistics, Washington, D.C., OCLC 56081073.|access-date= (trợ giúp)Quản lý CS1: khác (liên kết) Robson, Barbara and Lipson, Juliene (2002) "Chapter 5(B)- The People: The Tajiks and Other Dari-Speaking Groups" Lưu trữ 2010-01-27 tại Wayback Machine The Afghans - their history and culture Cultural Orientation Resource Center, Center for Applied Linguistics, Washington, D.C., OCLC 56081073.