APA
Coulombe H., Round J I, Mckay A D & University Of Warwick Department Of Economics. (1996). Estimating the contribution of informal sector activity to the gross domestic product of Ghana. Warwick: University of Warwick.
Chicago
Coulombe H, Round J I, Mckay A D and University Of Warwick Department Of Economics. 1996. Estimating the contribution of informal sector activity to the gross domestic product of Ghana. Warwick: University of Warwick.
Harvard
Coulombe H., Round J I, Mckay A D and University Of Warwick Department Of Economics. (1996). Estimating the contribution of informal sector activity to the gross domestic product of Ghana. Warwick: University of Warwick.
MLA
Coulombe H, Round J I, Mckay A D and University Of Warwick Department Of Economics. Estimating the contribution of informal sector activity to the gross domestic product of Ghana. Warwick: University of Warwick. 1996.