Cabbab, E. C. (1967). Isabela my love: Her history, municipalities and people. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCabbab, Evaristo Cachola. Isabela My Love: Her History, Municipalities and People. [Ilagan, Isabela: s.n, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCabbab, Evaristo Cachola. Isabela My Love: Her History, Municipalities and People. s.n, 1967.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.