Cita APA

Bickman, L., Hedrick, T. E., & Rog, D. J. (1993). Applied research design: A practical guide.

Citación estilo Chicago

Bickman, Leonard, Terry E. Hedrick, y Debra J. Rog. Applied Research Design: A Practical Guide. New Delhi, Sage Publications, 1993.

Cita MLA

Bickman, Leonard, et al. Applied Research Design: A Practical Guide. 1993.