Prasad, P. (1998). Communication skills for: Degree, diploma students, business executives, engineers, charter accountants, TOFFEL, IELTS, and other competitive examinations (First edition.). S. K. Kataria.
Cita Chicago (17th ed.)Prasad, Prajapati. Communication Skills for: Degree, Diploma Students, Business Executives, Engineers, Charter Accountants, TOFFEL, IELTS, and Other Competitive Examinations. First edition. Delhi: S. K. Kataria, 1998.
Cita MLA (8th ed.)Prasad, Prajapati. Communication Skills for: Degree, Diploma Students, Business Executives, Engineers, Charter Accountants, TOFFEL, IELTS, and Other Competitive Examinations. First edition. S. K. Kataria, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.