Gaya APA

Hobson, G, , , , , , D, (., Pohl, W. (1975). Modern petroleum technology. FOURTH EDITION (1975). : Great Britain : Applied Science Pub.,.

Gaya MLA

Hobson, G, , , , , , D., (ed)., Pohl, W.. "Modern petroleum technology. FOURTH EDITION". 1975 : Great Britain : Applied Science Pub.,, 1975. Text.