Παραπομπή σε μορφή APA (7η εκδ.)
Ministerial Conference "Environment for Europe" (4th : 1998 : Arhus, Denmark), Swiss Agency for the Environment, Forests and Landscape (SAEFL), & Swiss Agency for the Environment, Forests and Landscape (SAEFL). (1998). Swiss Landscape concept. Swiss Agency for the Environment, Forest and Landscape (SAEFL).
Παραπομπή σε μορφή Chicago (17η εκδ.)
Ministerial Conference "Environment for Europe" (4th : 1998 : Arhus, Denmark), Forests and Landscape (SAEFL) Swiss Agency for the Environment, και Forests and Landscape (SAEFL) Swiss Agency for the Environment. Swiss Landscape Concept. Swiss Agency for the Environment, Forest and Landscape (SAEFL), 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)
Ministerial Conference "Environment for Europe" (4th : 1998 : Arhus, Denmark), et al. Swiss Landscape Concept. Swiss Agency for the Environment, Forest and Landscape (SAEFL), 1998.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.