Gaya APA
Jr., A, D, S. (1984).
MANAGEMENT AND PERFORMANCE SECOND EDITION (Edisi 2).
USA:
Scott Foresman and Company.
Gaya MLA
Jr., Andrew, D., Szilagyl,.
"MANAGEMENT AND PERFORMANCE SECOND EDITION".
Edisi 2
USA:
Scott Foresman and Company,
1984.
Text.