APA (7 वां संस्करण) प्रशस्ति पत्र

Angelo, M. L., Loyola, J., Oliveros, L., & Ordoez, A. L. (1991). Ikot route: A case study. College of Engineering.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Angelo, Maria Luisa, Janette Loyola, Lyera Oliveros, और Anna Lerma Ordoez. Ikot Route: A Case Study. Diliman, Quezon City: College of Engineering, 1991.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Angelo, Maria Luisa, et al. Ikot Route: A Case Study. College of Engineering, 1991.