Παραπομπή APA

Timoshenko, S. (1955). Strength of materials. Van Nostrand Reinhold Company.

Παραπομπή Chicago Style

Timoshenko, S. Strength of Materials. New Jersey: Van Nostrand Reinhold Company, 1955.

Παραπομπή MLA

Timoshenko, S. Strength of Materials. Van Nostrand Reinhold Company, 1955.