APA-referens (7:e uppl.)

Lapuz, D. S., & Leogardo, F. T. (1973). The development of the Philippine government ([Rev. ed.].). Philippine Book.

Chicago-referens (17:e uppl.)

Lapuz, Dominador S., och Felicitas Tensuan Leogardo. The Development of the Philippine Government. [Rev. ed.]. Manila: Philippine Book, 1973.

MLA-referens (9:e uppl.)

Lapuz, Dominador S., och Felicitas Tensuan Leogardo. The Development of the Philippine Government. [Rev. ed.]. Philippine Book, 1973.