Margin levels as a regulatory tool /
by Geoffrey Heal.

APA Citation

Heal, G. M. (1984). Margin levels as a regulatory tool. New York, NY: Center for the Study of Futures Markets, Columbia Business School, Columbia University.

MLA Citation

Heal, G. M. Margin Levels As a Regulatory Tool. New York, NY: Center for the Study of Futures Markets, Columbia Business School, Columbia University, 1984.

Warning: These citations may not always be complete (especially for serials).