APA (7 ম সংস্করণ) উদ্ধৃতি

Organisation for Economic Co-operation and Development, P. National accounts statistics 1960-70. The author.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Organisation for Economic Co-operation and Development, Paris. National Accounts Statistics 1960-70. The author.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Organisation for Economic Co-operation and Development, Paris. National Accounts Statistics 1960-70. The author.