APA-referens (7:e uppl.)
Roberts, C. W. (2008). "The" fifth modality: On languages that shape our motivations and cultures. Brill.
Chicago-referens (17:e uppl.)
Roberts, Carl W. "The" Fifth Modality: On Languages That Shape Our Motivations and Cultures. Leiden ; Boston: Brill, 2008.
MLA-referens (9:e uppl.)
Roberts, Carl W. "The" Fifth Modality: On Languages That Shape Our Motivations and Cultures. Brill, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.