Παραπομπή APA

Dubois Harry J. (1972). Plastics history USA. Cahners Publishing Company.

Παραπομπή Chicago Style

Dubois Harry J. Plastics History USA. Boston: Cahners Publishing Company, 1972.

Παραπομπή MLA

Dubois Harry J. Plastics History USA. Cahners Publishing Company, 1972.