Παραπομπή APA

Crawley, J. W., & Charles. (1983). structured approach to fortran. Reston publishing.

Παραπομπή Chicago Style

Crawley, J Winston, και Charles. Structured Approach to Fortran. Reston: Reston publishing, 1983.

Παραπομπή MLA

Crawley, J Winston, και Charles. Structured Approach to Fortran. Reston publishing, 1983.