Παραπομπή APA

La Manitia, F. P. (1993). Recycling of plastic materials. Clem tech.

Παραπομπή Chicago Style

La Manitia, Francesco Paolo. Recycling of Plastic Materials. Canada: Clem tech, 1993.

Παραπομπή MLA

La Manitia, Francesco Paolo. Recycling of Plastic Materials. Clem tech, 1993.