Cita APA (7th ed.)

Villaroel, F. (2000). Philip II and the "Philippine referendum" of 1599. Unitas.

Cita Chicago (17th ed.)

Villaroel, Fidel. "Philip II and the "Philippine Referendum" of 1599." Unitas 2000.

Cita MLA (9th ed.)

Villaroel, Fidel. "Philip II and the "Philippine Referendum" of 1599." Unitas, 2000.