APA
Alton T. P., . (1992). Eastern Europe: Primary Energy and Crude Oil 1960 - 1991 (Charts). New York: L.W. International Financial Research, Inc.
Chicago
Alton Thad P, . 1992. Eastern Europe: Primary Energy and Crude Oil 1960 - 1991 (Charts). New York: L.W. International Financial Research, Inc.
Harvard
Alton T. P., . (1992). Eastern Europe: Primary Energy and Crude Oil 1960 - 1991 (Charts). New York: L.W. International Financial Research, Inc.
MLA
Alton Thad P, . Eastern Europe: Primary Energy and Crude Oil 1960 - 1991 (Charts). New York: L.W. International Financial Research, Inc. 1992.