Citazione Stile APA (7a Edizione)

Webb, E. T. (1981). Nonreactive measures in the social sciences (2nd ed.). Houghton Mifflin.

Citazione stile Chigago Style (17a edizione)

Webb, Eugene T. Nonreactive Measures in the Social Sciences. 2nd ed. Boston: Houghton Mifflin, 1981.

Citatione MLA (9a ed.)

Webb, Eugene T. Nonreactive Measures in the Social Sciences. 2nd ed. Houghton Mifflin, 1981.