- Author: Ralph (editor), Sheera (editor), Stephanie Olinga-Shannon (editor), Martin Smith (editor)
- Language: English
- Year: 2020
- Author: Selcuk Sarikaya (editor) Giorgio Ivan Russo (editor) David Ralph (editor)
- Language: English
- Year: 2022
- Author: Wynn Ralph(Editor)
- Language: English
- Year: 2012