APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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

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