Cita APA

Hedrick, T. E. (1993). Applied research design: A practical guide (1.). Sage Publications.

Citación estilo Chicago

Hedrick, Terry E. Applied Research Design: A Practical Guide. 1. New Delhi: Sage Publications, 1993.

Cita MLA

Hedrick, Terry E. Applied Research Design: A Practical Guide. 1. Sage Publications, 1993.