Gaya APA

Villarroel, F, O. (1987). Lorenzo de Manila, the protomartyr of the Philippines and his companions, end rev.ed. . Manila: UST Press.

Gaya MLA

Villarroel, Fidel,, O.P.. "Lorenzo de Manila, the protomartyr of the Philippines and his companions, end rev.ed. ". Manila: UST Press, 1987. Buku.