Primary Source Microfilm (Firm). (2007). International population census publication. Primary Source Microfilm.
Cita Chicago Style (17a ed.)Primary Source Microfilm (Firm). International Population Census Publication. Woodbridge, CT: Primary Source Microfilm, 2007.
Cita MLA (8a ed.)Primary Source Microfilm (Firm). International Population Census Publication. Primary Source Microfilm, 2007.
Precaución: Estas citas no son 100% exactas.