Wootz, B. (1975). Studies in industrial purchasing with special reference to variations in external communication. [Uppsala University] ; Almqvist & Wiksell international (distr.).
Lua i Stíl Chicago (17ú heag.)Wootz, Björn. Studies in Industrial Purchasing with Special Reference to Variations in External Communication. Uppsala : Stockholm: [Uppsala University] ; Almqvist & Wiksell international (distr.), 1975.
Lua MLA (8ú heag.)Wootz, Björn. Studies in Industrial Purchasing with Special Reference to Variations in External Communication. [Uppsala University] ; Almqvist & Wiksell international (distr.), 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.