Cita APA (7a ed.)
Webb, E. (1966). Unobtrusive measures: Nonreactive research in the social sciences. Rand McNally College publ Co..
Cita Chicago Style (17a ed.)
Webb, Eugene. Unobtrusive Measures: Nonreactive Research in the Social Sciences. Chicago: Rand McNally College publ Co., 1966.
Cita MLA (9a ed.)
Webb, Eugene. Unobtrusive Measures: Nonreactive Research in the Social Sciences. Rand McNally College publ Co., 1966.
Precaución: Estas citas no son 100% exactas.