@article{Liddell2003,
author = {Liddell, C. and Barrett, L. and Henzi, P.},
title= {Parental Investment in Schooling: Evidence from a Subsistence Farming Community in South Africa},
year = {2003},
doi = {10.1080/00207590244000232},
journal = {International Journal of Psychology},
volume = {38},
number = {1},
pages = {54--63},
}