Gaya APA
Ps.longer letter later. (1999).
New York:
[s.n.].
Gaya Chicago
Ps.longer letter later.
Cet.2.
New York:
[s.n.],
1999.
Text.
Gaya MLA
Ps.longer letter later.
Cet.2.
New York:
[s.n.],
1999.
Text.
Gaya Turabian
Ps.longer letter later.
New York:
[s.n.],
1999.
Print.