IPPF. International Planned Parenthood Federation. EN: International Planned Parenthood Federation.
Chicago-stil citatIPPF. International Planned Parenthood Federation. EN: International Planned Parenthood Federation.
MLA-referensIPPF. International Planned Parenthood Federation. EN: International Planned Parenthood Federation.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.