. (2011). Mandatory contracts. Legal Research Quarterly, 14(55), 199-212.
. "Mandatory contracts", Legal Research Quarterly, 14, 55, 2011, 199-212.
. (2011). 'Mandatory contracts', Legal Research Quarterly, 14(55), pp. 199-212.
, "Mandatory contracts," Legal Research Quarterly, 14 55 (2011): 199-212,
. Mandatory contracts. Leg Res Q. 2011;14(55):199-212 (In Persian).