Vietnam. Directorate General of Planning. (1972). Four-year national economic development plan: 1972-1975. Directorate General of Planning.
Chicago-Zitierstil (17. Ausg.)Vietnam. Directorate General of Planning. Four-year National Economic Development Plan: 1972-1975. Saigo: Directorate General of Planning, 1972.
MLA-Zitierstil (9. Ausg.)Vietnam. Directorate General of Planning. Four-year National Economic Development Plan: 1972-1975. Directorate General of Planning, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.