Gaya APA
Kolbe,Helen K.. (1976).
Population:fertility control theasaurus/Helen K.Kolbe;Rita F.Bergman .
Washington:
The George Washington University.
Gaya Chicago
Kolbe,Helen K..
Population:fertility control theasaurus/Helen K.Kolbe;Rita F.Bergman.
Washington:
The George Washington University,
1976.
.
Gaya MLA
Kolbe,Helen K..
Population:fertility control theasaurus/Helen K.Kolbe;Rita F.Bergman.
Washington:
The George Washington University,
1976.
.
Gaya Turabian
Kolbe,Helen K..
Population:fertility control theasaurus/Helen K.Kolbe;Rita F.Bergman.
Washington:
The George Washington University,
1976.
.