Petit de Gabriel, E. W. (2006). Humanitarian Assistances and United Nations. International Studies Journal (ISJ), 2(3), 119–125.

Petit de Gabriel, E. W. "Humanitarian Assistances and United Nations", International Studies Journal (ISJ), 2, 3, 2006, 119–125.

Petit de Gabriel, E. W. (2006). 'Humanitarian Assistances and United Nations', International Studies Journal (ISJ), 2(3), pp. 119–125.

Petit de Gabriel, E. W., "Humanitarian Assistances and United Nations." International Studies Journal (ISJ), 2 3 (2006): 119–125,

Petit de Gabriel E. W. Humanitarian Assistances and United Nations. ISJ. 2006;2(3):119–125 (In Persian).