Tohutoro APA (7th ed.)

Snijkers, G. (2013). Designing and conducting business surveys. John Wiley & Sons, Inc..

Tohutoru Kātū Chicago (17th ed.)

Snijkers, Ger. Designing and Conducting Business Surveys. Hoboken, NJ: John Wiley & Sons, Inc., 2013.

Tohutoro MLA (9th ed.)

Snijkers, Ger. Designing and Conducting Business Surveys. John Wiley & Sons, Inc., 2013.