UNITED NATIONS DEV.PROGRAMMS. (1971). HUMAN FERTILITYN AND NATIONAL DEVELOPMENT. UNITED NATIONS.
Citazione stile Chigago Style (17a edizione)UNITED NATIONS DEV.PROGRAMMS. HUMAN FERTILITYN AND NATIONAL DEVELOPMENT. NEW YORK: UNITED NATIONS, 1971.
Citatione MLA (9a ed.)UNITED NATIONS DEV.PROGRAMMS. HUMAN FERTILITYN AND NATIONAL DEVELOPMENT. UNITED NATIONS, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.