APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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