Kovacevic, A. (2007). The potential contribution of natural gas to sustainable development in South Eastern Europe. Oxford Institute for Energy Studies.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিKovacevic, A. The Potential Contribution of Natural Gas to Sustainable Development in South Eastern Europe. Oxford Institute for Energy Studies, 2007.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিKovacevic, A. The Potential Contribution of Natural Gas to Sustainable Development in South Eastern Europe. Oxford Institute for Energy Studies, 2007.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.