(1968). Municipality of Bulacan, province of Bulacan: B.D. Fabila and D.M. Frogoso. [s.n.].
Chicago-viite (17. p.)Municipality of Bulacan, Province of Bulacan: B.D. Fabila and D.M. Frogoso. [Manila]: [s.n.], 1968.
MLA-viite (9. p.)Municipality of Bulacan, Province of Bulacan: B.D. Fabila and D.M. Frogoso. [s.n.], 1968.
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