APA (7. basım) Alıntı

Del Prado, M. G. (1960). "A short history of the district of Albay". s.n.

Chicago Style (17. basım) Atıf

Del Prado, Mariano Goyena. "A Short History of the District of Albay". s.l: s.n, 1960.

MLA (8th ed.) Atıf

Del Prado, Mariano Goyena. "A Short History of the District of Albay". s.n, 1960.