(2010). . Dastavard, 20(30), 52-59.
. "", Dastavard, 20, 30, 2010, 52-59.
(2010). '', Dastavard, 20(30), pp. 52-59.
, "," Dastavard, 20 30 (2010): 52-59,
. Dastavard, 2010; 20(30): 52-59.
)