Woods, D. R. (1994). Problem-based learning: How to gain the most from PBL. Donald R. Woods.
Chicago-referens (17:e uppl.)Woods, Donald R. Problem-based Learning: How to Gain the Most from PBL. Waterdown, Ont.: Donald R. Woods, 1994.
MLA-referens (8:e uppl.)Woods, Donald R. Problem-based Learning: How to Gain the Most from PBL. Donald R. Woods, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.