Παραπομπή APA

Van valkenburg, M. E. (1976). Network analysis. Prentice hall of India.

Παραπομπή Chicago Style

Van valkenburg, M. E. Network Analysis. New Delhi: Prentice hall of India, 1976.

Παραπομπή MLA

Van valkenburg, M. E. Network Analysis. Prentice hall of India, 1976.