Παραπομπή σε μορφή APA (7η εκδ.)

(1990). Building Maintenance & Modernisation Worldwide Volume Two Proceeings Of The International Symposium On Property Modernisation 7-9 March 1990. School Building and Estate Man.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Building Maintenance & Modernisation Worldwide Volume Two Proceeings Of The International Symposium On Property Modernisation 7-9 March 1990. School Building and Estate Man, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Building Maintenance & Modernisation Worldwide Volume Two Proceeings Of The International Symposium On Property Modernisation 7-9 March 1990. School Building and Estate Man, 1990.