APA (7e ed.) Bronvermelding

Robertson, J. A., Blair, E. H. d. 1., Bourne, E. G., & Defensor, A. E. A. (2000). The Philippine islands, 1493-1898 (CD-ROM ed.). Bank of the Philippines.

Chicago (17e ed.) Bronvermelding

Robertson, James Alexander, Emma Helen d. 1911 Blair, Edward Gaylord Bourne, en Antonio E. A. Defensor. The Philippine Islands, 1493-1898. CD-ROM ed. [Quezon City]: Bank of the Philippines, 2000.

MLA (9e ed.) Bronvermelding

Robertson, James Alexander, et al. The Philippine Islands, 1493-1898. CD-ROM ed. Bank of the Philippines, 2000.