Villanueva, M. C. C., & Espina, M. A. A. (1999). Likas Lingap: Landscape development of highways along lahar-devastated areas.
Čikaški stil citiranja (17. izdanje)Villanueva, Mary Claire C., i Mary Ann A. Espina. Likas Lingap: Landscape Development of Highways Along Lahar-devastated Areas. 1999.
MLA način citiranja (9. izdanje)Villanueva, Mary Claire C., i Mary Ann A. Espina. Likas Lingap: Landscape Development of Highways Along Lahar-devastated Areas. 1999.
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