Gaya APA

Trester, K, R. (2012). Understanding ETF Options : Profitable Strategies For Diversified, Low-Risk Investing . United State of America: Mc Graw Hill Companies Inc..

Gaya MLA

Trester, Kenneth, R.. "Understanding ETF Options : Profitable Strategies For Diversified, Low-Risk Investing". United State of America: Mc Graw Hill Companies Inc., 2012. Text.