American Society of Mechanical Engineers. Fuels Handling, Transportation, and Storage Technical Committee, Joint Power Generation Conference, & Mahr, D. (1987). Coal sampling: Fundamentals and new applications-belt conveyor systems : presented at the 1987 Joint Power Generation Conference Miami, Florida October 4-8, 1987. American Society of Mechanical Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Society of Mechanical Engineers. Fuels Handling, Transportation, and Storage Technical Committee, Joint Power Generation Conference, και Daniel Mahr. Coal Sampling: Fundamentals and New Applications-belt Conveyor Systems : Presented at the 1987 Joint Power Generation Conference Miami, Florida October 4-8, 1987. New York: American Society of Mechanical Engineers, 1987.
Παραπομπή σε μορφή MLA (9th εκδ.)American Society of Mechanical Engineers. Fuels Handling, Transportation, and Storage Technical Committee, et al. Coal Sampling: Fundamentals and New Applications-belt Conveyor Systems : Presented at the 1987 Joint Power Generation Conference Miami, Florida October 4-8, 1987. American Society of Mechanical Engineers, 1987.