Gaya APA
PERVIN, L, A., JOHN, O, P.
(1997).
Personality:
(
7th ed.)
.
New York:
John Wiley & Sons.
Gaya MLA
PERVIN, Lawrence, A.., JOHN, Oliver, P..
"Personality:".
7th ed.
New York:
John Wiley & Sons,
1997.
Buku.