Gaya APA
Writing and Grammar Ruby Level : Communication in action. (2001).
New Mexico:
[s.n.].
Gaya Chicago
Writing and Grammar Ruby Level : Communication in action.
.
New Mexico:
[s.n.],
2001.
Text.
Gaya MLA
Writing and Grammar Ruby Level : Communication in action.
.
New Mexico:
[s.n.],
2001.
Text.
Gaya Turabian
Writing and Grammar Ruby Level : Communication in action.
New Mexico:
[s.n.],
2001.
Print.