How the Incas built their heartland :
state formation and the innovation of imperial strategies in the Sacred Valley, Peru /
R. Alan Covey.
APA Citation
Covey, R. Alan. (2006). How the Incas built their heartland: state formation and the innovation of imperial strategies in the Sacred Valley, Peru. Ann Arbor: University of Michigan Press.
MLA Citation
Covey, R. Alan, 1974-. How the Incas Built Their Heartland: State Formation And the Innovation of Imperial Strategies In the Sacred Valley, Peru. Ann Arbor: University of Michigan Press, 2006.
Warning: These citations may not always be complete (especially for serials).