(1993). Theory and practice of transborder cooperation. Helbing & Lichtenhahn.
Chicago Style (17th ed.) CitationTheory and Practice of Transborder Cooperation. Basel u.a: Helbing & Lichtenhahn, 1993.
MLA (9th ed.) CitationTheory and Practice of Transborder Cooperation. Helbing & Lichtenhahn, 1993.
Warning: These citations may not always be 100% accurate.