APA Format
World Health Organization (WHO) . (). Implications of individual and small group learning systems in medical education, TRS.489. : Geneva WHO 1972
MLA Format
World Health Organization (WHO) . Implications of individual and small group learning systems in medical education, TRS.489. : Geneva WHO 1972,
Australian/Harvard Format
World Health Organization (WHO) . . Implications of individual and small group learning systems in medical education, TRS.489. Geneva WHO 1972, 
Warning: These citations may not always be 100% accurate.