@inbook{Ember1998,
author = {Ember, C.R.  and Ember, M. },
title= {Cross-cultural research},
year = {1998},
editor = {Bernard, H.R.},
booktitle = {Handbook of methods in cultural anthropology},
address = {Walnut Creek, CA},
publisher = {AltaMira Press},
pages = {647--690},
}