Rujukan WikiPedia: Quaker http://nobelprize.org/nobel_prizes/peace/laureates... http://quaker.org/legacy/minnfm/peace/nobel_peace_... http://news.bbc.co.uk/2/hi/uk_news/magazine/846783... https://www.fgcquaker.org/explore/faqs-about-quake... https://www.nobelprize.org/nobel_prizes/peace/laur...