APA-viite

Barrera Zapata Rolando, Přez Bayer Juan Fernando, Salazar Jimňez Carlos Alberto, & Universidad Pedagg̤ica y Tecnolg̤ica de Colombia - UPTC. Effect of colombian coal rank and its feeding technology on substitute natural gas production by entrained gasification.

Chicago-tyylinen lähdeviittaus

Barrera Zapata Rolando, Přez Bayer Juan Fernando, Salazar Jimňez Carlos Alberto, and Universidad Pedagg̤ica y Tecnolg̤ica de Colombia - UPTC. Effect of Colombian Coal Rank and Its Feeding Technology On Substitute Natural Gas Production By Entrained Gasification.

MLA-viite

Barrera Zapata Rolando, Přez Bayer Juan Fernando, Salazar Jimňez Carlos Alberto, and Universidad Pedagg̤ica y Tecnolg̤ica de Colombia - UPTC. Effect of Colombian Coal Rank and Its Feeding Technology On Substitute Natural Gas Production By Entrained Gasification.

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