BERGSTROM, T. C., & MILLER, J. H. (1999). Experiments with economics principles: Mikroeconimics.-- ed.2 (2.). Irwin dan McGraw-Hill.

BERGSTROM, Theodore C., and John H. MILLER. Experiments with Economics Principles: Mikroeconimics.-- Ed.2. 2. Boston: Irwin dan McGraw-Hill, 1999.

BERGSTROM, Theodore C., and John H. MILLER. Experiments with Economics Principles: Mikroeconimics.-- Ed.2. 2. Irwin dan McGraw-Hill, 1999.