Cita APA (7th ed.)
Wedgwood, A., & Sansom, K. Willingness-to-pay Surveys: A Streamlined Approach : Guidance Notes for Small Town Water Services. Loughborough University, Water, Engineering and Development Centre.
Cita Chicago (17th ed.)
Wedgwood, Alison, i Kevin Sansom. Willingness-to-pay Surveys: A Streamlined Approach : Guidance Notes for Small Town Water Services. Leicestershire, Inglaterra: Loughborough University, Water, Engineering and Development Centre.
Cita MLA (9th ed.)
Wedgwood, Alison, i Kevin Sansom. Willingness-to-pay Surveys: A Streamlined Approach : Guidance Notes for Small Town Water Services. Loughborough University, Water, Engineering and Development Centre.
Atenció: Aquestes cites poden no estar 100% correctes.