Ball, J. . . . . . . . . . e. (1967). Foreign statistical documents: A bibliography of general, international trade, and agricultural statistics, including holdings of the Stanford University libraries. Hoover Institution on War, Revolution and Peace, Stanford University.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ball, Joyce ed. Foreign Statistical Documents: A Bibliography of General, International Trade, and Agricultural Statistics, Including Holdings of the Stanford University Libraries. Stanford, Ca: Hoover Institution on War, Revolution and Peace, Stanford University, 1967.
Παραπομπή σε μορφή MLA (9th εκδ.)Ball, Joyce ed. Foreign Statistical Documents: A Bibliography of General, International Trade, and Agricultural Statistics, Including Holdings of the Stanford University Libraries. Hoover Institution on War, Revolution and Peace, Stanford University, 1967.