Dyfyniad APA

Research Publications, inc, & Primary Source Microfilm (Firm). International population census publication. Research Publications.

Dyfyniad Arddull Chicago

Research Publications, inc, and Primary Source Microfilm (Firm). International Population Census Publication. New Haven, Conn.: Research Publications.

Dyfyniad MLA

Research Publications, inc, and Primary Source Microfilm (Firm). International Population Census Publication. Research Publications.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.