Παραπομπή APA

Chopra, M., & Ramkumar. (1980). Fortran IV PROGRAMMING. Vikas.

Παραπομπή Chicago Style

Chopra, M.G, και Ramkumar. Fortran IV PROGRAMMING. New Delhi: Vikas, 1980.

Παραπομπή MLA

Chopra, M.G, και Ramkumar. Fortran IV PROGRAMMING. Vikas, 1980.