APA (7. basım) Alıntı
Webb, E. (1966). Unobtrusive measures: Nonreactive research in the social sciences. Rand McNally College publ Co..
Chicago Style (17. basım) Atıf
Webb, Eugene. Unobtrusive Measures: Nonreactive Research in the Social Sciences. Chicago: Rand McNally College publ Co., 1966.
MLA (9th ed.) Atıf
Webb, Eugene. Unobtrusive Measures: Nonreactive Research in the Social Sciences. Rand McNally College publ Co., 1966.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..