Παραπομπή APA

Potts, M., & Behr, P. (1987). Leading edge. Tata McGraw Hill.

Παραπομπή Chicago Style

Potts, Mark, και Peter Behr. Leading Edge. New Delhi: Tata McGraw Hill, 1987.

Παραπομπή MLA

Potts, Mark, και Peter Behr. Leading Edge. Tata McGraw Hill, 1987.