Gaya APA
Bjork, G, C.
(1969).
Private Enterpricse and Public Interest
.
Englewood Cliffs:
Prentice Hall.
Gaya MLA
Bjork, Gordon, C..
"Private Enterpricse and Public Interest".
Englewood Cliffs:
Prentice Hall,
1969.
Buku/Printed Material.