Gaya APA
LUDLOW, R.
(2000).
THE ESSENCE OF EFECTIVE COMMUNICATION
(
Cetakan II)
.
YOGYAKARTA:
ANDI.
Gaya MLA
LUDLOW, RON.
"THE ESSENCE OF EFECTIVE COMMUNICATION".
Cetakan II
YOGYAKARTA:
ANDI,
2000.
Text.