APA

Lee S., Cha D. & Park H. (20061120). International standards for services activities relating to drinking water supply systems and wastewater systems: implications for developing countries. : Water science and technology : a journal of the International Association on Water Pollution Research.

Chicago

Lee S, Cha D and Park H. 20061120. International standards for services activities relating to drinking water supply systems and wastewater systems: implications for developing countries. : Water science and technology : a journal of the International Association on Water Pollution Research.

Harvard

Lee S., Cha D. and Park H. (20061120). International standards for services activities relating to drinking water supply systems and wastewater systems: implications for developing countries. : Water science and technology : a journal of the International Association on Water Pollution Research.

MLA

Lee S, Cha D and Park H. International standards for services activities relating to drinking water supply systems and wastewater systems: implications for developing countries. : Water science and technology : a journal of the International Association on Water Pollution Research. 20061120.