by
Altamura, Carlo Edoardo, author.
Format:
Alıntı:
Petroleum industry and trade -- History -- 20th century.
by
Appiah-Adu, Kwaku.
Format:
Alıntı:
Petroleum industry and trade -- Developing countries.
by
Baldwin, Robert E., editor.
Format:
Alıntı:
The Structure and evolution of recent U.S. trade policy / Baldwin, Robert E., editor.