(2012). . Dastavard, 22(31), 74-81.
. "", Dastavard, 22, 31, 2012, 74-81.
(2012). '', Dastavard, 22(31), pp. 74-81.
, "," Dastavard, 22 31 (2012): 74-81,
. Dastavard, 2012; 22(31): 74-81.
)