Katahira & Engineers International, Department of Public Works and Highways, Japan International Cooperation Agency, & Yachiyo Engineering. (1999). The feasibility study on upgrading inter-urban highway system along the Pan-Philippine Highway (Sta. Rita, Plaridel - San Jose Station): Final report, main text. Japan International Cooperation Agency.
Lua i Stíl Chicago (17ú heag.)Katahira & Engineers International, Department of Public Works and Highways, Japan International Cooperation Agency, agus Yachiyo Engineering. The Feasibility Study on Upgrading Inter-urban Highway System Along the Pan-Philippine Highway (Sta. Rita, Plaridel - San Jose Station): Final Report, Main Text. Manila: Japan International Cooperation Agency, 1999.
Lua MLA (9ú heag.)Katahira & Engineers International, et al. The Feasibility Study on Upgrading Inter-urban Highway System Along the Pan-Philippine Highway (Sta. Rita, Plaridel - San Jose Station): Final Report, Main Text. Japan International Cooperation Agency, 1999.