Gaya APA
Ecology and Demography. (1977).
Lowa:
Wm. C. Brown Company Publishers.
Gaya Chicago
Ecology and Demography.
.
Lowa:
Wm. C. Brown Company Publishers,
1977.
.
Gaya MLA
Ecology and Demography.
.
Lowa:
Wm. C. Brown Company Publishers,
1977.
.
Gaya Turabian
Ecology and Demography.
Lowa:
Wm. C. Brown Company Publishers,
1977.
.