APA (7e ed.) Bronvermelding

Porter, C. L. 1. (1942). Crisis in the Philippines. Knopf.

Chicago (17e ed.) Bronvermelding

Porter, Catherine Lucy 1898. Crisis in the Philippines. New York: Knopf, 1942.

MLA (9e ed.) Bronvermelding

Porter, Catherine Lucy 1898. Crisis in the Philippines. Knopf, 1942.