Primary Source Microfilm (Firm). (2007). International population census publication. Primary Source Microfilm.
Chicago Style aipamenaPrimary Source Microfilm (Firm). International Population Census Publication. Woodbridge, CT: Primary Source Microfilm, 2007.
MLA aipamenaPrimary Source Microfilm (Firm). International Population Census Publication. Primary Source Microfilm, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.