Gaya APA
American Business Today Tomorrow. (1971).
West Sussex:
[s.n.].
Gaya Chicago
American Business Today Tomorrow.
.
West Sussex:
[s.n.],
1971.
Text.
Gaya MLA
American Business Today Tomorrow.
.
West Sussex:
[s.n.],
1971.
Text.
Gaya Turabian
American Business Today Tomorrow.
West Sussex:
[s.n.],
1971.
Print.