APA引文

UNITED NATIONS DEV.PROGRAMMS. (1971). HUMAN FERTILITYN AND NATIONAL DEVELOPMENT. UNITED NATIONS.

Chicago Style (17th ed.) Citation

UNITED NATIONS DEV.PROGRAMMS. HUMAN FERTILITYN AND NATIONAL DEVELOPMENT. NEW YORK: UNITED NATIONS, 1971.

MLA引文

UNITED NATIONS DEV.PROGRAMMS. HUMAN FERTILITYN AND NATIONAL DEVELOPMENT. UNITED NATIONS, 1971.

警告：這些引文格式不一定是100％准確.