Gaya APA
Hickman, C, R.
(1995).
(PASCA) The Productivity Game
(
Edisi 1)
.
USA:
Prentice Hall International.
Gaya MLA
Hickman, Craig, R..
"(PASCA) The Productivity Game".
Edisi 1
USA:
Prentice Hall International,
1995.
.