- Author: Robert J. Stainton
- Language: English
- Year: 2000
- Author: Whistler Daniel
- Language: English
- Year: 2014
Fixing reference
pdf
- Author: Dickie Imogen
- Language: English
- Year: 2016
- Author: Padilla Gálvez Jesús
- Language: English
- Year: 2016
- Author: Pearce Kenneth L
- Language: English
- Year: 2017
Deontic modality
pdf
- Author: Charlow Nate, Chrisman Matthew
- Language: English
- Year: 2016
- Author: Thomas Craig Christy
- Language: English
- Year: 1983
- Author: L. M. de Rijk (ed.)
- Language: English
- Year: 1990
- Author: Augusto Ponzio, Susan Petrilli
- Language: English
- Year: 1990