Cita APA

Riddick, C. C., & Ruth V., R. 1. (2015). Research methods: How to conduct research in recreation, parks, sports, and tourism (3. edition.). Urbana, Illinois: Sagamore Publishing.

Citación estilo Chicago

Riddick, Carol Cutler, y Russell 1948- Ruth V. Research Methods: How to Conduct Research in Recreation, Parks, Sports, and Tourism. 3. edition. Urbana, Illinois: Sagamore Publishing, 2015.

Cita MLA

Riddick, Carol Cutler, y Russell 1948- Ruth V. Research Methods: How to Conduct Research in Recreation, Parks, Sports, and Tourism. 3. edition. Urbana, Illinois: Sagamore Publishing, 2015.