Gaya APA
Killingsworth, M, R.
(1983).
Labor Supply
(
1 ( Pertama ))
.
United States of America:
Cambridge Univ. Press.
Gaya MLA
Killingsworth, Mark, R..
"Labor Supply".
1 ( Pertama )
United States of America:
Cambridge Univ. Press,
1983.
Textbook.