Gaya APA
HARDEN, R, M.
(2016).
THE DEFINITIVE GUIDE TO THE OSCE
.
EDINBURG,LONDON,NEWYORK:
Elsevier Saunders.
Gaya MLA
HARDEN, RONALD, M.
"THE DEFINITIVE GUIDE TO THE OSCE".
EDINBURG,LONDON,NEWYORK:
Elsevier Saunders,
2016.
Text.