Gaya APA
Holden, K, C., Hansen, W, L. (1989).
The end of mandatory retirement : effect on higher education .
San Francisco:
Jossey-Bass.
Gaya MLA
Holden, Karen, C.., Hansen, W., Lee.
"The end of mandatory retirement : effect on higher education".
San Francisco:
Jossey-Bass,
1989.
Text.