(1970). World Health Organisation. Regional Office for Europe: Report of the general director. July 1969 to June 1970.
Chicago-стиль цитированияWorld Health Organisation. Regional Office for Europe: Report of the General Director. July 1969 to June 1970. Copenhagen, 1970.
MLA-цитированиеWorld Health Organisation. Regional Office for Europe: Report of the General Director. July 1969 to June 1970. 1970.
Предупреждение: эти цитирования не могут быть точны на 100%.
