APA (7th ed.) Citation

Valdez, E. M. (2006). Questionnaire design administration protocol and sampling bias in education surveys.

Chicago Style (17th ed.) Citation

Valdez, Elisa Magno. Questionnaire Design Administration Protocol and Sampling Bias in Education Surveys. 2006.

MLA (9th ed.) Citation

Valdez, Elisa Magno. Questionnaire Design Administration Protocol and Sampling Bias in Education Surveys. 2006.

Warning: These citations may not always be 100% accurate.