Παραπομπή APA

Elias, H. (1993). An introduction to plastics. VCH.

Παραπομπή Chicago Style

Elias, Hans-Georg. An Introduction to Plastics. Weinheim: VCH, 1993.

Παραπομπή MLA

Elias, Hans-Georg. An Introduction to Plastics. VCH, 1993.