APA-referens (7:e uppl.)

Robbins, D. M., & Ligon, G. C. (2014). How to design wastewater systems for local conditions in developing countries. IWA Publishing.

Chicago-referens (17:e uppl.)

Robbins, David M., och Grant C. Ligon. How to Design Wastewater Systems for Local Conditions in Developing Countries. London, [England]: IWA Publishing, 2014.

MLA-referens (9:e uppl.)

Robbins, David M., och Grant C. Ligon. How to Design Wastewater Systems for Local Conditions in Developing Countries. IWA Publishing, 2014.