APA (7 वां संस्करण) प्रशस्ति पत्र

Smith, L. R. (2006). English for careers: Business, professionals and technical (9th ed.). Prentice Hall.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Smith, Leila R. English for Careers: Business, Professionals and Technical. 9th ed. Upper Saddle River, N.J: Prentice Hall, 2006.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Smith, Leila R. English for Careers: Business, Professionals and Technical. 9th ed. Prentice Hall, 2006.