Nikpur, H. (2004). Estimation of Iran's underground economy with emphasis on insurance escape (1380-1380). Social Security Journal, 6(3), 131–158.
MLA
Nikpur, H. "Estimation of Iran's underground economy with emphasis on insurance escape (1380-1380)", Social Security Journal, 6, 3, 2004, 131–158.
HARVARD
Nikpur, H. (2004). 'Estimation of Iran's underground economy with emphasis on insurance escape (1380-1380)', Social Security Journal, 6(3), pp. 131–158.
CHICAGO
Nikpur, H., "Estimation of Iran's underground economy with emphasis on insurance escape (1380-1380)." Social Security Journal, 6 3 (2004): 131–158,
VANCOUVER
Nikpur H. Estimation of Iran's underground economy with emphasis on insurance escape (1380-1380). Social Security Journal. 2004;6(3):131–158 (In Persian).