Gaya APA

(Sweden), I. (1974). International congresses in automation, building engineering, chemistry, electrical engineering, energy technology, environmental engineering, futurology, mechanical engineering, medicine, physics, transport engineering . sw: .

Gaya MLA

(Sweden), Ingenjörsvetenskapsakademien. "International congresses in automation, building engineering, chemistry, electrical engineering, energy technology, environmental engineering, futurology, mechanical engineering, medicine, physics, transport engineering". sw: , 1974. print.