(2001). Introduction of documents. Social Security Journal, 3(3), 237-291.
. "Introduction of documents", Social Security Journal, 3, 3, 2001, 237-291.
(2001). 'Introduction of documents', Social Security Journal, 3(3), pp. 237-291.
, "Introduction of documents," Social Security Journal, 3 3 (2001): 237-291,
Introduction of documents. Social Security Journal, 2001; 3(3): 237-291.
