APA ציטוט

Whetham, E. H., & Currie , J. I. (1969). Economics of African countries.

Chicago Edition Citation

Whetham, Edith H., and Jean I. Currie. Economics of African Countries. 1969.

ציטוט MLA

Whetham, Edith H., and Jean I. Currie. Economics of African Countries. 1969.