Παραπομπή APA

Greenfield, W. M. (1986). Calculated risk: A guide to entrepreneurship. Lexington, Mass.: D.C. Heath.

Παραπομπή Chicago Style

Greenfield, W. M. Calculated Risk: A Guide to Entrepreneurship. Lexington, Mass.: D.C. Heath, 1986.

Παραπομπή MLA

Greenfield, W. M. Calculated Risk: A Guide to Entrepreneurship. Lexington, Mass.: D.C. Heath, 1986.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.