APA Format
World Health Organization (WHO) . (). Evaluation of recent changes in the financing of health services, TRS.829. : Geneva WHO 1993
MLA Format
World Health Organization (WHO) . Evaluation of recent changes in the financing of health services, TRS.829. : Geneva WHO 1993,
Australian/Harvard Format
World Health Organization (WHO) . . Evaluation of recent changes in the financing of health services, TRS.829. Geneva WHO 1993, 
Warning: These citations may not always be 100% accurate.