APA aipamena

(1964). Calbayog City. Philippine Coast and Geodetic Survey.

Chicago Style aipamena

Calbayog City. Manila: Philippine Coast and Geodetic Survey, 1964.

MLA aipamena

Calbayog City. Philippine Coast and Geodetic Survey, 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.