Gallup, George
A Guide To Public Opinion Polls
Princeton University press, 1948
Buku Teks
McDowell, Ian
Measuring health: a guide to rating scales and questionnaires / Ian McDowell and Claire Newell
Oxford University Press, 1996
Buku Teks
Berdie, Douglas
Questionnaires: design and use
The Scarecrow Press, 1974
Buku Teks
Baskind, Eric
Mooting : the definitive guide
Routledge, 2017
Buku Teks
White, Tom
Hadoop: the definitive guide
O'Reilly Media , 2015
Buku Teks