Haslam, J., Willis, H. A., & Squirrell, D. C. M. (1980). Identification and analysis of plastics (2nd ed.). London: Heyden.
Παραπομπή Chicago StyleHaslam, J., H. A. Willis, and D. C. M. Squirrell. Identification and Analysis of Plastics. 2nd ed. London: Heyden, 1980.
Παραπομπή MLAHaslam, J., H. A. Willis, and D. C. M. Squirrell. Identification and Analysis of Plastics. 2nd ed. London: Heyden, 1980.
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