Gaya APA
Ulbrich, Holley H.. (1990).
Managerial economics .
New York:
Barron\'s.
Gaya Chicago
Ulbrich, Holley H..
Managerial economics.
New York:
Barron\'s,
1990.
.
Gaya MLA
Ulbrich, Holley H..
Managerial economics.
New York:
Barron\'s,
1990.
.
Gaya Turabian
Ulbrich, Holley H..
Managerial economics.
New York:
Barron\'s,
1990.
.