Não informado. Road documentation for developing countries: A SELECTION OF IRRD ABSTRACTS. Organization for Economic Co-operation and Development.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Road Documentation for Developing Countries: A SELECTION OF IRRD ABSTRACTS. Berkshire, Inglaterra: Organization for Economic Co-operation and Development.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Road Documentation for Developing Countries: A SELECTION OF IRRD ABSTRACTS. Organization for Economic Co-operation and Development.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.