Clark, P. Microenterprise and the Poor. Washington: The Aspen Inst., 1999 IX, 84 с. : със сн. и табл. 0-89843-260-X.
Clark, P. Microenterprise and the Poor. Washington: The Aspen Inst., 1999 IX, 84 с. : със сн. и табл. 0-89843-260-X.
Clark, P. (1999) Microenterprise and the Poor, Washington: The Aspen Inst. IX, 84 с. : със сн. и табл. 0-89843-260-X.
Clark, P. (1999). Microenterprise and the Poor. Findings from the Self-Employment Learning Project. Five Year Study of Microentrepreneurs. Washington: The Aspen Inst., IX, 84 с. : със сн. и табл.
Clark P. Microenterprise and the Poor: Findings from the Self-Employment Learning Project. Five Year Study of Microentrepreneurs. Washington: The Aspen Inst.; 1999. p. IX, 84 с. : със сн. и табл. ISBN: 0-89843-260-X.