APA
International Water Management Institute, Samad M, Wijesekara N.T.S & Birch A. (1998). Status and Future Direction of Water Research in Sri Lanka. International Water Management Institute: Colombo, Sri Lanka.
Chicago
International Water Management Institute, Samad M, Wijesekara N.T.S and Birch A. 1998. Status and Future Direction of Water Research in Sri Lanka. International Water Management Institute: Colombo, Sri Lanka.
Harvard
International Water Management Institute, Samad M, Wijesekara N.T.S and Birch A. (1998). Status and Future Direction of Water Research in Sri Lanka. International Water Management Institute: Colombo, Sri Lanka.
MLA
International Water Management Institute, Samad M, Wijesekara N.T.S and Birch A. Status and Future Direction of Water Research in Sri Lanka. International Water Management Institute: Colombo, Sri Lanka. 1998.
