Cita APA (7th ed.)

Pfaffenberger, R. C., & Patterson, J. H. (1981). Statistical methods for business and economics (rev. ed.). R.D. Irwin.

Cita Chicago (17th ed.)

Pfaffenberger, Roger C., i James Herbert Patterson. Statistical Methods for Business and Economics. rev. ed. Homewood, IL: R.D. Irwin, 1981.

Cita MLA (9th ed.)

Pfaffenberger, Roger C., i James Herbert Patterson. Statistical Methods for Business and Economics. rev. ed. R.D. Irwin, 1981.