APA

Bartle A., International Hydropower Association, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires) & International Hydropower Association.Hydropower for this century. : .

Chicago

Bartle Alison, International Hydropower Association, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires) and International Hydropower Association.Hydropower for this century. : .

Harvard

Bartle A., International Hydropower Association, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires) and International Hydropower Association.Hydropower for this century. : .

MLA

Bartle Alison, International Hydropower Association, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires) and International Hydropower Association.: . .