APA Format
WHO . (). Effective teaching: a guide for educating healthcare providers guide for facilitators. : Geneva: WHO; 2003
MLA Format
WHO . Effective teaching: a guide for educating healthcare providers guide for facilitators. : Geneva: WHO; 2003,
Australian/Harvard Format
WHO . . Effective teaching: a guide for educating healthcare providers guide for facilitators. Geneva: WHO; 2003, 
Warning: These citations may not always be 100% accurate.