@inbook{ButlerPeterMarshall+2007+46+82,
url = {https://doi.org/10.3138/9781442685482-005},
title = {2. Methods of Collecting Opinions},
booktitle = {Polling and Public Opinion},
booktitle = {A Canadian Perspective},
author = {Butler, Peter Marshall},
publisher = {University of Toronto Press},
address = {Toronto},
pages = {46--82},
doi = {doi:10.3138/9781442685482-005},
isbn = {9781442685482},
year = {2007},
lastchecked = {2026-05-02}
}