Gaya APA
Osipow, S, H.
(1983).
Theories of career development
(
3rd ed.)
.
Englewood Cliffs:
Prentice-Hall.
Gaya MLA
Osipow, Samuel, H..
"Theories of career development".
3rd ed.
Englewood Cliffs:
Prentice-Hall,
1983.
Text.