APA-referens (7:e uppl.)
Stępkowski, A. (2014). Protection of human life in its early stage: Intellectual foundations and legal means. Peter Lang Edition.
Chicago-referens (17:e uppl.)
Stępkowski, Aleksander. Protection of Human Life in Its Early Stage: Intellectual Foundations and Legal Means. Frankfurt am Main, [Germany]: Peter Lang Edition, 2014.
MLA-referens (9:e uppl.)
Stępkowski, Aleksander. Protection of Human Life in Its Early Stage: Intellectual Foundations and Legal Means. Peter Lang Edition, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.