APA (7 ম সংস্করণ) উদ্ধৃতি

Ostby, I. (1977). Macroeconomic relationships in Singapore: An econometric study. Institute of Economics and Business Studies, College of Graduate Studies, Nanyang University.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Ostby, Ivar. Macroeconomic Relationships in Singapore: An Econometric Study. [Singapore]: Institute of Economics and Business Studies, College of Graduate Studies, Nanyang University, 1977.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Ostby, Ivar. Macroeconomic Relationships in Singapore: An Econometric Study. Institute of Economics and Business Studies, College of Graduate Studies, Nanyang University, 1977.