Cabbab, E. C. (1967). Isabela my love: Her history, municipalities and people. s.n.
Chicago-viite (17. p.)Cabbab, Evaristo Cachola. Isabela My Love: Her History, Municipalities and People. [Ilagan, Isabela: s.n, 1967.
MLA-viite (9. p.)Cabbab, Evaristo Cachola. Isabela My Love: Her History, Municipalities and People. s.n, 1967.
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