National Institute of Securities Markets. (2018). Commodity Insights: Yearbook 2018. National Institute of Securities Market.
Cita Chicago (17th ed.)National Institute of Securities Markets. Commodity Insights: Yearbook 2018. Rasayani: National Institute of Securities Market, 2018.
Cita MLA (9th ed.)National Institute of Securities Markets. Commodity Insights: Yearbook 2018. National Institute of Securities Market, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.