(1987). Biological substances: International standards and reference reagents, 1986. World Health Organization.
Chicago Style (17th ed.) CitationBiological Substances: International Standards and Reference Reagents, 1986. Geneva: World Health Organization, 1987.
MLA引文Biological Substances: International Standards and Reference Reagents, 1986. World Health Organization, 1987.
警告:這些引文格式不一定是100%准確.