Burn, D. L., & Epstein, B. Realities of free trade: Two industry studies, by Duncan Burn and Barbara Epstein; with an introduction by Harry G. Johnson.
Chicago-viite (17. p.)Burn, Duncan Lyall, ja Barbara Epstein. Realities of Free Trade: Two Industry Studies, by Duncan Burn and Barbara Epstein; with an Introduction by Harry G. Johnson. London, Allen and Unwin, 1972.
MLA-viite (9. p.)Burn, Duncan Lyall, ja Barbara Epstein. Realities of Free Trade: Two Industry Studies, by Duncan Burn and Barbara Epstein; with an Introduction by Harry G. Johnson.
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