@article{Vaquera2008,
author = {Vaquera, E. and Kao, G.},
title= {Do you like me as much as I like you? Friendship reciprocity and its effects on school outcomes among adolescents},
year = {2008},
doi = {10.1016/j.ssresearch.2006.11.002},
journal = {Social Science Research},
volume = {37},
number = {1},
pages = {55--72},
}