Recyclingplas Conference McLean, Virginia, & Plastics Institute of America. (1993). Plastics recycling as a business opportunity: 1993 Recyclingplas VIII Conference, June 3,4 1993, Ritz-Carlton Tysons Corner, McLean, Virginia. Plastics Institute of America.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումRecyclingplas Conference McLean, Virginia, and Plastics Institute of America. Plastics Recycling as a Business Opportunity: 1993 Recyclingplas VIII Conference, June 3,4 1993, Ritz-Carlton Tysons Corner, McLean, Virginia. Fairfield, N.J.: Plastics Institute of America, 1993.
MLA (8րդ խմբ.) ՄեջբերումRecyclingplas Conference McLean, Virginia, and Plastics Institute of America. Plastics Recycling as a Business Opportunity: 1993 Recyclingplas VIII Conference, June 3,4 1993, Ritz-Carlton Tysons Corner, McLean, Virginia. Plastics Institute of America, 1993.