APA aipamena

Rosero Bixby, L. (1998). Assessing and interpreting birth spacing goals in Costa Rica.

Chicago Style aipamena

Rosero Bixby, Luis. Assessing and Interpreting Birth Spacing Goals in Costa Rica. 1998.

MLA aipamena

Rosero Bixby, Luis. Assessing and Interpreting Birth Spacing Goals in Costa Rica. 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.