Gaya APA
Sharon, B, A.
(1991).
Asserting Yourself : A Practical Guide For Positive chage
(
Cetakan I)
.
:
Special M.
Gaya MLA
Sharon, Bower, Antony.
"Asserting Yourself : A Practical Guide For Positive chage".
Cetakan I
:
Special M,
1991.
Text.