Biascan, A. F. L., & Galingan, Z. C. (2019). La Historia de Sta. Ana de Sapa linked streetscapes development highlighting the traditional imprint of Sta. Ana heritage district. College of Architecture, University of the Philippines Diliman.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBiascan, Amabelle Faye L., এবং Zenaida C. Galingan. La Historia De Sta. Ana De Sapa Linked Streetscapes Development Highlighting the Traditional Imprint of Sta. Ana Heritage District. Quezon City: College of Architecture, University of the Philippines Diliman, 2019.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBiascan, Amabelle Faye L., এবং Zenaida C. Galingan. La Historia De Sta. Ana De Sapa Linked Streetscapes Development Highlighting the Traditional Imprint of Sta. Ana Heritage District. College of Architecture, University of the Philippines Diliman, 2019.