Instituto Brasileiro de Informação em Ciência e Tecnologia

APA (7 ম সংস্করণ) উদ্ধৃতি

Não informado. (2008). Constitution of the American Water Works Association. American Water Works Association.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Não informado. Constitution of the American Water Works Association. New York: American Water Works Association, 2008.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Não informado. Constitution of the American Water Works Association. American Water Works Association, 2008.