Petros, J. K. J., & Lacy, W. J. C. (1985). Hazardous and Industrial Solid Waste Testing: Fourth Symposium. American Society for Testing materials.
استشهاد بنمط شيكاغوPetros, James. K Jr, و William. J Conway Lacy. Hazardous and Industrial Solid Waste Testing: Fourth Symposium. Philadelphia: American Society for Testing materials, 1985.
MLA استشهادPetros, James. K Jr, و William. J Conway Lacy. Hazardous and Industrial Solid Waste Testing: Fourth Symposium. American Society for Testing materials, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.