Mabogunje, A. (1997). The state of Earth: Contemporary geographic perspectives (1a. ed.). Blackwell.
Chicago-čujuhus (17. p.)Mabogunje, Akin. The State of Earth: Contemporary Geographic Perspectives. 1a. ed. Oxford: Blackwell, 1997.
MLA-čujuhus (9. p.)Mabogunje, Akin. The State of Earth: Contemporary Geographic Perspectives. 1a. ed. Blackwell, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.