Tohutoro APA (7th ed.)
Walden, G. R. Survey Reserach Methodology, 1990-1999: An Annotated Bibliography. Greenwood.
Tohutoru Kātū Chicago (17th ed.)
Walden, Graham R. Survey Reserach Methodology, 1990-1999: An Annotated Bibliography. Westport, EUA: Greenwood.
Tohutoro MLA (9th ed.)
Walden, Graham R. Survey Reserach Methodology, 1990-1999: An Annotated Bibliography. Greenwood.
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