APA (7e ed.) Bronvermelding

Kobak, C. J. (1979). Don Gaspar de Guevara of Biliran Island, Leyte. IN Historical notes and documentation [column]: A legendary figure or a historical personality? Leyte-Samar Studies.

Chicago (17e ed.) Bronvermelding

Kobak, Cantius J. "Don Gaspar De Guevara of Biliran Island, Leyte. IN Historical Notes and Documentation [column]: A Legendary Figure or a Historical Personality?" Leyte-Samar Studies 1979.

MLA (9e ed.) Bronvermelding

Kobak, Cantius J. "Don Gaspar De Guevara of Biliran Island, Leyte. IN Historical Notes and Documentation [column]: A Legendary Figure or a Historical Personality?" Leyte-Samar Studies, 1979.