(1968). Municipality of Bulacan, province of Bulacan: B.D. Fabila and D.M. Frogoso. [s.n.].
Chicagoスタイル(17版)引用形式Municipality of Bulacan, Province of Bulacan: B.D. Fabila and D.M. Frogoso. [Manila]: [s.n.], 1968.
MLA(9版)引用形式Municipality of Bulacan, Province of Bulacan: B.D. Fabila and D.M. Frogoso. [s.n.], 1968.
警告: この引用は必ずしも正確ではありません.