Gaya APA
Annual editions:Management. ([s.a.]).
New York:
[s.n.].
Gaya Chicago
Annual editions:Management.
.
New York:
[s.n.],
[s.a.].
Text.
Gaya MLA
Annual editions:Management.
.
New York:
[s.n.],
[s.a.].
Text.
Gaya Turabian
Annual editions:Management.
New York:
[s.n.],
[s.a.].
Print.