APA-viite (7. p.)

Johnson, G. L., & Zerby, L. K. (1973). What economists do about values: Case studies of their answers to questions they don't dare ask. Dept. of Agricultural Economics, Michigan State University.

Chicago-viite (17. p.)

Johnson, Glenn L., ja Lewis K. Zerby. What Economists Do About Values: Case Studies of Their Answers to Questions They Don't Dare Ask. East Lansing: Dept. of Agricultural Economics, Michigan State University, 1973.

MLA-viite (8. p.)

Johnson, Glenn L., ja Lewis K. Zerby. What Economists Do About Values: Case Studies of Their Answers to Questions They Don't Dare Ask. Dept. of Agricultural Economics, Michigan State University, 1973.