Cita APA

Groves, R. M., & Kahn, R. L. (1979). Surveys by telephone: A national comparison with personal interviews.

Citación estilo Chicago

Groves, Robert M., y Robert Louis Kahn. Surveys By Telephone: A National Comparison With Personal Interviews. 1979.

Cita MLA

Groves, Robert M., y Robert Louis Kahn. Surveys By Telephone: A National Comparison With Personal Interviews. 1979.

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