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.].
Chicago-čujuhus (17. p.)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.
MLA-čujuhus (9. p.)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.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.