Cita APA

ISTA Mielke GmbH. (1999). Oil world 2020: Supply, demand and prices from 1976 through 2020. Hamburg: ISTA Mielke GmbH.

Citación estilo Chicago

ISTA Mielke GmbH. Oil World 2020: Supply, Demand and Prices From 1976 Through 2020. Hamburg: ISTA Mielke GmbH, 1999.

Cita MLA

ISTA Mielke GmbH. Oil World 2020: Supply, Demand and Prices From 1976 Through 2020. Hamburg: ISTA Mielke GmbH, 1999.