APA (7 ম সংস্করণ) উদ্ধৃতি

Nurul Islam. (1970). Studies on commercial policy and economic growth. Pakistan Institute of development economics.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Nurul Islam. Studies on Commercial Policy and Economic Growth. Karachi: Pakistan Institute of development economics, 1970.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Nurul Islam. Studies on Commercial Policy and Economic Growth. Pakistan Institute of development economics, 1970.