Gaya APA

[et.al.], J, M, D. (2013). On the combination of high-pressure and low-pressure exhaust gas recirculation loops for improved fuel economy and reduced emissions in high-speed direct-injection engines (14(1)). London: SAGE Publications Ltd.

Gaya MLA

[et.al.], Jose´, M, Desantes. "On the combination of high-pressure and low-pressure exhaust gas recirculation loops for improved fuel economy and reduced emissions in high-speed direct-injection engines". 14(1) London: SAGE Publications Ltd, 2013. e-journal.