APA aipamena

IPPF. International Planned Parenthood Federation. EN: International Planned Parenthood Federation.

Chicago Style aipamena

IPPF. International Planned Parenthood Federation. EN: International Planned Parenthood Federation.

MLA aipamena

IPPF. International Planned Parenthood Federation. EN: International Planned Parenthood Federation.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.