Παραπομπή APA

Dubois, J. H., & John, F. W. (1981). Plastics. Van Nostrand Reinhold Company.

Παραπομπή Chicago Style

Dubois, John Harry, και Frederick W. John. Plastics. New York: Van Nostrand Reinhold Company, 1981.

Παραπομπή MLA

Dubois, John Harry, και Frederick W. John. Plastics. Van Nostrand Reinhold Company, 1981.