Gaya APA

Blum, S, G. (2014). Negotiating your invetments : use proven negotiation methods to enrich your financial life . Hoboken, NJ: Wiley.

Gaya MLA

Blum, Steven, G.. "Negotiating your invetments : use proven negotiation methods to enrich your financial life". Hoboken, NJ: Wiley, 2014. Text.