Henson, M. A. (1963). The province of Pampanga and its towns (A.D. 1300-1862) (3rd rev. ed.). s.n.
Chicago-viite (17. p.)Henson, Mariano A. The Province of Pampanga and Its Towns (A.D. 1300-1862). 3rd rev. ed. [Pampanga: s.n, 1963.
MLA-viite (9. p.)Henson, Mariano A. The Province of Pampanga and Its Towns (A.D. 1300-1862). 3rd rev. ed. s.n, 1963.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.