APA-referens (7:e uppl.)

Baja, T. C., & Alampay, E. (1970). Mr. Justice Roberto Regala: His life and times. Phoenix Press.

Chicago-referens (17:e uppl.)

Baja, Tiburcio C., och Eliseo Alampay. Mr. Justice Roberto Regala: His Life and Times. [Quezon City: Phoenix Press, 1970.

MLA-referens (9:e uppl.)

Baja, Tiburcio C., och Eliseo Alampay. Mr. Justice Roberto Regala: His Life and Times. Phoenix Press, 1970.