APA Format
Executive Board Session [ke-51 : 1973 : Geneva]; World Health Organization. Executive Board. (1973).
Executive Board Fifty-First Session, Geneva, 16 - 25 January 1973
. Geneva :: World Health Organization,.
MLA Format
Executive Board Session [ke-51 : 1973 : Geneva]; World Health Organization. Executive Board.
Executive Board Fifty-First Session, Geneva, 16 - 25 January 1973
. Geneva :: World Health Organization,, 1973
Chicago Format
Executive Board Session [ke-51 : 1973 : Geneva]; World Health Organization. Executive Board. Executive Board Fifty-First Session, Geneva, 16 - 25 January 1973. Geneva :: World Health Organization,, 1973.