Gaya APA
Human fertility and population problems/Ed.Roy O.Greep. (1963).
Cambridge:
Schenkmen.
Gaya Chicago
Human fertility and population problems/Ed.Roy O.Greep.
.
Cambridge:
Schenkmen,
1963.
.
Gaya MLA
Human fertility and population problems/Ed.Roy O.Greep.
.
Cambridge:
Schenkmen,
1963.
.
Gaya Turabian
Human fertility and population problems/Ed.Roy O.Greep.
Cambridge:
Schenkmen,
1963.
.