United Nations. Industrial Development Organization, V. (1969). Report of the inter-regional seminar on industrial location and ....August 1968. United Nations.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited Nations. Industrial Development Organization, Vienna. Report of the Inter-regional Seminar on Industrial Location and ....August 1968. United Nations, 1969.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited Nations. Industrial Development Organization, Vienna. Report of the Inter-regional Seminar on Industrial Location and ....August 1968. United Nations, 1969.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.