Gaya APA
Pearson New International Edition. (2014).
Amerika:
[s.n.].
Gaya Chicago
Pearson New International Edition.
1.
Amerika:
[s.n.],
2014.
Text.
Gaya MLA
Pearson New International Edition.
1.
Amerika:
[s.n.],
2014.
Text.
Gaya Turabian
Pearson New International Edition.
Amerika:
[s.n.],
2014.
Print.