APA (7e ed.) Bronvermelding

Sterken, E. (1991). Models of the business cycle: A survey. Institute of Economic Research, University of Groningen.

Chicago (17e ed.) Bronvermelding

Sterken, Elmer. Models of the Business Cycle: A Survey. Groningen [Netherlands]: Institute of Economic Research, University of Groningen, 1991.

MLA (8e ed.) Bronvermelding

Sterken, Elmer. Models of the Business Cycle: A Survey. Institute of Economic Research, University of Groningen, 1991.