APA-viite (7. p.)

Powrie, T. L. (1979). Energy policy and the balance of payments: An outline of the issues. Canadian Energy Research Institute.

Chicago-viite (17. p.)

Powrie, T. L. Energy Policy and the Balance of Payments: An Outline of the Issues. Calgary: Canadian Energy Research Institute, 1979.

MLA-viite (8. p.)

Powrie, T. L. Energy Policy and the Balance of Payments: An Outline of the Issues. Canadian Energy Research Institute, 1979.