Oec. (1973). Educational policy and planning: Netherland. Directorate of Technical and Vocational Education Ministry of Education.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিOec. Educational Policy and Planning: Netherland. Directorate of Technical and Vocational Education Ministry of Education, 1973.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিOec. Educational Policy and Planning: Netherland. Directorate of Technical and Vocational Education Ministry of Education, 1973.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.