World Health Organization. (1998). Health 21: Health for all in the 21st century. World Health Organization.
Chicago Style (17th ed.) CitationWorld Health Organization. Health 21: Health for All in the 21st Century. Denmark: World Health Organization, 1998.
MLA引文World Health Organization. Health 21: Health for All in the 21st Century. World Health Organization, 1998.
警告:這些引文格式不一定是100%准確.