United Nations in Vietnam. (2010). Internal migration: Opportunities and challenges for socio-economic development in Vietnam. HaNoi: United Nations in Vietnam.
Trích dẫn kiểu ChicagoUnited Nations in Vietnam. Internal Migration: Opportunities and Challenges for Socio-economic Development in Vietnam. HaNoi: United Nations in Vietnam, 2010.
MLA引文United Nations in Vietnam. Internal Migration: Opportunities and Challenges for Socio-economic Development in Vietnam. HaNoi: United Nations in Vietnam, 2010.
警告：這些引文格式不一定是100％准確.