APA aipamena

Williams, W., & And Vallins, G. (1937). Gray,Collins and their circle.

Chicago Style aipamena

Williams, Wt, and Gh And Vallins. Gray,Collins and Their Circle. 1937.

MLA aipamena

Williams, Wt, and Gh And Vallins. Gray,Collins and Their Circle. 1937.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.