Angelo, M. L., Loyola, J., Oliveros, L., & Ordoez, A. L. (1991). Ikot route: A case study. College of Engineering.
Lua i Stíl Chicago (17ú heag.)Angelo, Maria Luisa, Janette Loyola, Lyera Oliveros, agus Anna Lerma Ordoez. Ikot Route: A Case Study. Diliman, Quezon City: College of Engineering, 1991.
Lua MLA (9ú heag.)Angelo, Maria Luisa, et al. Ikot Route: A Case Study. College of Engineering, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.