APA (7e ed.) Bronvermelding

Royama, M., Friend, T., & Takeuchi, T. 1. (1967). The Philippine polity: A Japanese view. Yale University, Southeast Asia Studies.

Chicago (17e ed.) Bronvermelding

Royama, Masamichi, Theodore Friend, en Tatsuji 1904 Takeuchi. The Philippine Polity: A Japanese View. [New Haven]: Yale University, Southeast Asia Studies, 1967.

MLA (9e ed.) Bronvermelding

Royama, Masamichi, et al. The Philippine Polity: A Japanese View. Yale University, Southeast Asia Studies, 1967.