Wrenn, W. Bruce. Marketing research, 2002: CIP t.p. (W. Bruce Wrenn) bk. t.p. (Bruce Wrenn; Ph. D.) jkt. (assoc. prof., marketing, Div. of Business and Economics, Indiana U., South Bend)
Building strong congregations, 2009: ECIP t.p. (Bruce Wrenn) data view (b. Nov. 9, 1950)