(1981). WHO Expert Committee on Biological Standartization: 31-st Report. WHO.
Chicago-стиль цитированияWHO Expert Committee on Biological Standartization: 31-st Report. Geneva: WHO, 1981.
MLA-цитированиеWHO Expert Committee on Biological Standartization: 31-st Report. WHO, 1981.
Предупреждение: эти цитирования не могут быть точны на 100%.
