- Author: Allen Rubin Earl R. Babbie
- Language: English
- Year: 2017
- Author: Allen Rubin Earl R. Babbie
- Language: English
- Year: 2014
- Author: Allen Rubin, Earl R. Babbie
- Language: English
- Year: 2015
- Author: Allen Rubin, Earl R. Babbie
- Language: English
- Year: 2016
- Author: Allen Rubin Earl R. Babbie
- Language: English
- Year: 2010