APA (7 ম সংস্করণ) উদ্ধৃতি

Gunatilake, H. (2006). Willingness-to-pay and design of water supply and sanitation projects: A case study. Asian Development Bank.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Gunatilake, Herath. Willingness-to-pay and Design of Water Supply and Sanitation Projects: A Case Study. [Mandaluyong City]: Asian Development Bank, 2006.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Gunatilake, Herath. Willingness-to-pay and Design of Water Supply and Sanitation Projects: A Case Study. Asian Development Bank, 2006.