APA aipamena

Rosero Bixby, L. (1993). Physical accessibility to health facilities in Costa Rica.

Chicago Style aipamena

Rosero Bixby, Luis. Physical Accessibility to Health Facilities in Costa Rica. 1993.

MLA aipamena

Rosero Bixby, Luis. Physical Accessibility to Health Facilities in Costa Rica. 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.