Cita APA (7a ed.)

Sudman, S., & Bradburn, N. M. (1982). Asking questions. Jossey-Bass.

Cita Chicago Style (17a ed.)

Sudman, Seymour, y Norman M. Bradburn. Asking Questions. San Francisco [etc.]: Jossey-Bass, 1982.

Cita MLA (9a ed.)

Sudman, Seymour, y Norman M. Bradburn. Asking Questions. Jossey-Bass, 1982.