APA (7e ed.) Bronvermelding

Engle, R. F., & Lange, J. (1997). Measuring, forecasting and explaining time varying liquidity in the stock market. National Bureau of Economic Research.

Chicago (17e ed.) Bronvermelding

Engle, Robert F., en Joe Lange. Measuring, Forecasting and Explaining Time Varying Liquidity in the Stock Market. Cambridge: National Bureau of Economic Research, 1997.

MLA (9e ed.) Bronvermelding

Engle, Robert F., en Joe Lange. Measuring, Forecasting and Explaining Time Varying Liquidity in the Stock Market. National Bureau of Economic Research, 1997.