Gaya APA
The Good Earth : Introduction to earth sciens. (2013).
Mesir:
[s.n.].
Gaya Chicago
The Good Earth : Introduction to earth sciens.
.
Mesir:
[s.n.],
2013.
Text.
Gaya MLA
The Good Earth : Introduction to earth sciens.
.
Mesir:
[s.n.],
2013.
Text.
Gaya Turabian
The Good Earth : Introduction to earth sciens.
Mesir:
[s.n.],
2013.
Print.