APA aipamena

Simon,Julian L. (1978). Research in population economics: An annual compilation of research. Jai Press Inc.

Chicago Style aipamena

Simon,Julian L. Research in Population Economics: An Annual Compilation of Research. Connecticut: Jai Press Inc, 1978.

MLA aipamena

Simon,Julian L. Research in Population Economics: An Annual Compilation of Research. Jai Press Inc, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.