Gaya APA

Hobson, G, , , , , , D., Pohl, W. (1973). Modern petroleum technology (1973). : Great Britain : Adlard & Son Ltd,.

Gaya MLA

Hobson, G, , , , , , D., Pohl, W. "Modern petroleum technology". 1973 : Great Britain : Adlard & Son Ltd,, 1973. Text.