Institute of Vocational Training and Development. Information and Documentation Services. Catalogue of training materials. Part 1-Print. National Manpower and Youth Council.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিInstitute of Vocational Training and Development. Information and Documentation Services. Catalogue of Training Materials. Part 1-Print. Taguig: National Manpower and Youth Council.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিInstitute of Vocational Training and Development. Information and Documentation Services. Catalogue of Training Materials. Part 1-Print. National Manpower and Youth Council.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.