Gaya APA
m.pd, P, D, A, R, A.
(2002).
Employee and develpment second edition
(
2)
.
New York:
Mc Graw Hill.
Gaya MLA
m.pd, Prof., Dr., Abd., Rahman, A.ghani,.
"Employee and develpment second edition".
2
New York:
Mc Graw Hill,
2002.
Text.