Training Course on Soil Erosion Sedimentation Control and Monitoring( 1988 : Laguna, P. (1988). Proceedings of the Training Course on Soil Erosion Sedimentation Control and Monitoring. Laguna, Philippines : [s.n.].
Lua i Stíl Chicago (17ú heag.)Training Course on Soil Erosion Sedimentation Control and Monitoring( 1988 : Laguna, Philippines). Proceedings of the Training Course on Soil Erosion Sedimentation Control and Monitoring. Laguna, Philippines : [s.n.], 1988.
Lua MLA (9ú heag.)Training Course on Soil Erosion Sedimentation Control and Monitoring( 1988 : Laguna, Philippines). Proceedings of the Training Course on Soil Erosion Sedimentation Control and Monitoring. Laguna, Philippines : [s.n.], 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.