World Health Organization. Supplementary booklet.
Chicago Style (17th ed.) CitationWorld Health Organization. Supplementary Booklet.
MLA引文World Health Organization. Supplementary Booklet.
警告：這些引文格式不一定是100％准確.
APA引文
World Health Organization. Supplementary booklet.
Chicago Style (17th ed.) CitationWorld Health Organization. Supplementary Booklet.
MLA引文World Health Organization. Supplementary Booklet.