Παραπομπή APA

Beck, R. D. (1980). Plastic product design. Van Nostrand Reinhold.

Παραπομπή Chicago Style

Beck, Ronald D. Plastic Product Design. N.York: Van Nostrand Reinhold, 1980.

Παραπομπή MLA

Beck, Ronald D. Plastic Product Design. Van Nostrand Reinhold, 1980.