Citazione APA

Bhatia, P. S., & Sheikh, A. (2005). Professional communication skills (3rd.rev.ed.). S. Chand & Co.

Stile di citazione Chicago

Bhatia, Pravin S.R, e A.M Sheikh. Professional Communication Skills. 3rd.rev.ed. New Delhi: S. Chand & Co, 2005.

Citazione MLA

Bhatia, Pravin S.R, e A.M Sheikh. Professional Communication Skills. 3rd.rev.ed. S. Chand & Co, 2005.