Amarin, Z. O. (2018). Family Planning. IntechOpen.
Chicago Style (17th ed.) ZitazioaAmarin, Zouhair O. Family Planning. IntechOpen, 2018.
MLA (9th ed.) ZitazioaAmarin, Zouhair O. Family Planning. IntechOpen, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.