Παραπομπή APA

WMO. WMO: Applications of Hydrology to Water Resource Management. WMO.

Παραπομπή Chicago Style

WMO. WMO: Applications of Hydrology to Water Resource Management. Switzerland: WMO.

Παραπομπή MLA

WMO. WMO: Applications of Hydrology to Water Resource Management. WMO.