Styl cytowania APA

Czubala, W., Shepherd, B., & Wilson, J. S. (2007). Help Or Hindrance ?: The Impact of Harmonized Standards On African Exports. The World Bank.

Styl cytowania Chicago

Czubala, Witold, Benjamin Shepherd, i John S. Wilson. Help Or Hindrance ?: The Impact of Harmonized Standards On African Exports. Washington, D.C: The World Bank, 2007.

Styl cytowania MLA

Czubala, Witold, et al. Help Or Hindrance ?: The Impact of Harmonized Standards On African Exports. The World Bank, 2007.