APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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