Gaya APA
Gould, Stephen Jay. (1981).
Ever since Darwin : reflections in natural history .
Harmondsworth:
Penguin Books.
Gaya Chicago
Gould, Stephen Jay.
Ever since Darwin : reflections in natural history.
Harmondsworth:
Penguin Books,
1981.
Text.
Gaya MLA
Gould, Stephen Jay.
Ever since Darwin : reflections in natural history.
Harmondsworth:
Penguin Books,
1981.
Text.
Gaya Turabian
Gould, Stephen Jay.
Ever since Darwin : reflections in natural history.
Harmondsworth:
Penguin Books,
1981.
Print.