(1994). Basic approach to environmentally sound management of water resources: Laguna de Bay. s.n.].
Citazione stile Chigago Style (17a edizione)Basic Approach to Environmentally Sound Management of Water Resources: Laguna De Bay. [s.l: s.n.], 1994.
Citatione MLA (9a ed.)Basic Approach to Environmentally Sound Management of Water Resources: Laguna De Bay. s.n.], 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.