APA (7e ed.) Bronvermelding

Vargas, J. (1956). National security, duty of every citizen: A speech before the Manila Rotarians on February 2, 1956. Bureau of Print.

Chicago (17e ed.) Bronvermelding

Vargas, Jesus. National Security, Duty of Every Citizen: A Speech Before the Manila Rotarians on February 2, 1956. [Manila: Bureau of Print, 1956.

MLA (9e ed.) Bronvermelding

Vargas, Jesus. National Security, Duty of Every Citizen: A Speech Before the Manila Rotarians on February 2, 1956. Bureau of Print, 1956.