Gaya APA
Liang, S, M., Alitto, G, S.
(2013).
Has Man a Future?
.
Springer Berlin Heidelberg:
Springer.
Gaya MLA
Liang, Shu, Ming., Alitto, Guy, S..
"Has Man a Future?".
Springer Berlin Heidelberg:
Springer,
2013.
E-Book.