Gaya APA
Kubr, M., Prokopenko, J. (1989).
Diagnosing management Training and Development Needs: Concept and Techniques (Seri No.27).
Switzerland:
International Labour Office.
Gaya MLA
Kubr, Milan., Prokopenko, Joseph.
"Diagnosing management Training and Development Needs: Concept and Techniques".
Seri No.27
Switzerland:
International Labour Office,
1989.
Teksbook.