Gaya APA
Ball, B.
(1997).
ASSESSING YOUR CAREER: TIME FOR CHANGE?
(
Kelima)
.
Yogyakarta:
KANISIUS.
Gaya MLA
Ball, Ben.
"ASSESSING YOUR CAREER: TIME FOR CHANGE?".
Kelima
Yogyakarta:
KANISIUS,
1997.
Cetak.