Gaya APA
dkk, D, G. (2000).
Linkage Inc`.s Best Practices in Leadership Development Handbook .
America Serikat:
Jossey Bass.
Gaya MLA
dkk, David, Giber,.
"Linkage Inc`.s Best Practices in Leadership Development Handbook".
America Serikat:
Jossey Bass,
2000.
Text.