Citazione Stile APA (7a Edizione)
WEDC - Water and Engineering for Developing Countries & Pickford, J. (1987). WATER world developing. Grosvenor.
Citazione stile Chigago Style (17a edizione)
WEDC - Water and Engineering for Developing Countries e John Pickford. WATER World Developing. London: Grosvenor, 1987.
Citatione MLA (9a ed.)
WEDC - Water and Engineering for Developing Countries e John Pickford. WATER World Developing. Grosvenor, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.