Styl cytowania APA

Gelb, A., Turner, G., Shah, M. K., & Ramachandran, V. (2008). What Matters to African Firms?: The Relevance of Perceptions Data. The World Bank.

Styl cytowania Chicago

Gelb, Alan, Ginger Turner, Manju Kedia Shah, i Vijaya Ramachandran. What Matters to African Firms?: The Relevance of Perceptions Data. Washington, D.C: The World Bank, 2008.

Styl cytowania MLA

Gelb, Alan, et al. What Matters to African Firms?: The Relevance of Perceptions Data. The World Bank, 2008.