Gaya APA
Bradburn, Norman. (2004).
Asking Questions: The Definitive Guide to Questionnairie Design-For Market Research, Political Polls and Social and Health Questionnairies (1).
San Francisco:
Jossey-Bass Inc..
Gaya Chicago
Bradburn, Norman.
Asking Questions: The Definitive Guide to Questionnairie Design-For Market Research, Political Polls and Social and Health Questionnairies.
1
San Francisco:
Jossey-Bass Inc.,
2004.
MPK.
Gaya MLA
Bradburn, Norman.
Asking Questions: The Definitive Guide to Questionnairie Design-For Market Research, Political Polls and Social and Health Questionnairies.
1
San Francisco:
Jossey-Bass Inc.,
2004.
MPK.
Gaya Turabian
Bradburn, Norman.
Asking Questions: The Definitive Guide to Questionnairie Design-For Market Research, Political Polls and Social and Health Questionnairies.
1
San Francisco:
Jossey-Bass Inc.,
2004.
MPK.