Japan External Trade Organization. (1971). Trade and industry of Japan: Environmental pollution control equipment industry. Tokyo: Japan External Trade Organization.
শিকাগো স্টাইলে সাইটেশনJapan External Trade Organization. Trade and Industry of Japan: Environmental Pollution Control Equipment Industry. Tokyo: Japan External Trade Organization, 1971.
এমএলএ সাইটেশনJapan External Trade Organization. Trade and Industry of Japan: Environmental Pollution Control Equipment Industry. Tokyo: Japan External Trade Organization, 1971.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.